Home / 284,929.60-427,432.80-97,998.40

Finding the Fourth Proportional to 284,929.60, 427,432.80 and 97,998.40

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Solution

The fourth proportional to 284,929.60, 427,432.80 and 97,998.40 is: 147,010.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,929.60 : 427,432.80 = 97,998.40 : x
  2. Step 2: Convert to fraction form
    284,929.60/427,432.80 = 97,998.40/x
  3. Step 3: Cross multiply
    284,929.60x = 427,432.80 × 97,998.40
  4. Step 4: Simplify right side
    284,929.60x = 41,887,730,507.52
  5. Step 5: Solve for x
    x = 41,887,730,507.52/284,929.60
  6. Step 6: Final answer
    x = 147,010.81

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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.