Home / 453,535.80-680,402.10-137,984.50

Finding the Fourth Proportional to 453,535.80, 680,402.10 and 137,984.50

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Solution

The fourth proportional to 453,535.80, 680,402.10 and 137,984.50 is: 207,006.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,535.80 : 680,402.10 = 137,984.50 : x
  2. Step 2: Convert to fraction form
    453,535.80/680,402.10 = 137,984.50/x
  3. Step 3: Cross multiply
    453,535.80x = 680,402.10 × 137,984.50
  4. Step 4: Simplify right side
    453,535.80x = 93,884,943,567.45
  5. Step 5: Solve for x
    x = 93,884,943,567.45/453,535.80
  6. Step 6: Final answer
    x = 207,006.69

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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.