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Finding the Fourth Proportional to 446,368.08, 669,478.08 and 146,852.40

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Solution

The fourth proportional to 446,368.08, 669,478.08 and 146,852.40 is: 220,254.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,368.08 : 669,478.08 = 146,852.40 : x
  2. Step 2: Convert to fraction form
    446,368.08/669,478.08 = 146,852.40/x
  3. Step 3: Cross multiply
    446,368.08x = 669,478.08 × 146,852.40
  4. Step 4: Simplify right side
    446,368.08x = 98,314,462,795.39
  5. Step 5: Solve for x
    x = 98,314,462,795.39/446,368.08
  6. Step 6: Final answer
    x = 220,254.24

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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.