Home / 438,468.10-657,483.45-201,543.10

Finding the Fourth Proportional to 438,468.10, 657,483.45 and 201,543.10

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Solution

The fourth proportional to 438,468.10, 657,483.45 and 201,543.10 is: 302,214.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,468.10 : 657,483.45 = 201,543.10 : x
  2. Step 2: Convert to fraction form
    438,468.10/657,483.45 = 201,543.10/x
  3. Step 3: Cross multiply
    438,468.10x = 657,483.45 × 201,543.10
  4. Step 4: Simplify right side
    438,468.10x = 132,511,252,711.70
  5. Step 5: Solve for x
    x = 132,511,252,711.70/438,468.10
  6. Step 6: Final answer
    x = 302,214.12

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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.