Home / 403,884.40-557,337.64-222,595.78

Finding the Fourth Proportional to 403,884.40, 557,337.64 and 222,595.78

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Solution

The fourth proportional to 403,884.40, 557,337.64 and 222,595.78 is: 307,169.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,884.40 : 557,337.64 = 222,595.78 : x
  2. Step 2: Convert to fraction form
    403,884.40/557,337.64 = 222,595.78/x
  3. Step 3: Cross multiply
    403,884.40x = 557,337.64 × 222,595.78
  4. Step 4: Simplify right side
    403,884.40x = 124,061,006,699.16
  5. Step 5: Solve for x
    x = 124,061,006,699.16/403,884.40
  6. Step 6: Final answer
    x = 307,169.59

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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.