Home / 403,789.25-557,253.59-222,500.90

Finding the Fourth Proportional to 403,789.25, 557,253.59 and 222,500.90

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Solution

The fourth proportional to 403,789.25, 557,253.59 and 222,500.90 is: 307,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,789.25 : 557,253.59 = 222,500.90 : x
  2. Step 2: Convert to fraction form
    403,789.25/557,253.59 = 222,500.90/x
  3. Step 3: Cross multiply
    403,789.25x = 557,253.59 × 222,500.90
  4. Step 4: Simplify right side
    403,789.25x = 123,989,421,404.46
  5. Step 5: Solve for x
    x = 123,989,421,404.46/403,789.25
  6. Step 6: Final answer
    x = 307,064.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.