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Finding the Fourth Proportional to 479,501.60, 719,252.40 and 163,930.40

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Solution

The fourth proportional to 479,501.60, 719,252.40 and 163,930.40 is: 245,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,501.60 : 719,252.40 = 163,930.40 : x
  2. Step 2: Convert to fraction form
    479,501.60/719,252.40 = 163,930.40/x
  3. Step 3: Cross multiply
    479,501.60x = 719,252.40 × 163,930.40
  4. Step 4: Simplify right side
    479,501.60x = 117,907,333,632.96
  5. Step 5: Solve for x
    x = 117,907,333,632.96/479,501.60
  6. Step 6: Final answer
    x = 245,895.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.