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Finding the Fourth Proportional to 163,406.40, 245,109.60 and 52,598.40

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Solution

The fourth proportional to 163,406.40, 245,109.60 and 52,598.40 is: 78,897.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,406.40 : 245,109.60 = 52,598.40 : x
  2. Step 2: Convert to fraction form
    163,406.40/245,109.60 = 52,598.40/x
  3. Step 3: Cross multiply
    163,406.40x = 245,109.60 × 52,598.40
  4. Step 4: Simplify right side
    163,406.40x = 12,892,372,784.64
  5. Step 5: Solve for x
    x = 12,892,372,784.64/163,406.40
  6. Step 6: Final answer
    x = 78,897.60

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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.