Home / 461,426.10-692,139.15-145,979.70

Finding the Fourth Proportional to 461,426.10, 692,139.15 and 145,979.70

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Solution

The fourth proportional to 461,426.10, 692,139.15 and 145,979.70 is: 218,969.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,426.10 : 692,139.15 = 145,979.70 : x
  2. Step 2: Convert to fraction form
    461,426.10/692,139.15 = 145,979.70/x
  3. Step 3: Cross multiply
    461,426.10x = 692,139.15 × 145,979.70
  4. Step 4: Simplify right side
    461,426.10x = 101,038,265,475.26
  5. Step 5: Solve for x
    x = 101,038,265,475.26/461,426.10
  6. Step 6: Final answer
    x = 218,969.55

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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.