Home / 427,890.30-590,495.67-234,294.90

Finding the Fourth Proportional to 427,890.30, 590,495.67 and 234,294.90

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Solution

The fourth proportional to 427,890.30, 590,495.67 and 234,294.90 is: 323,330.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,890.30 : 590,495.67 = 234,294.90 : x
  2. Step 2: Convert to fraction form
    427,890.30/590,495.67 = 234,294.90/x
  3. Step 3: Cross multiply
    427,890.30x = 590,495.67 × 234,294.90
  4. Step 4: Simplify right side
    427,890.30x = 138,350,123,953.08
  5. Step 5: Solve for x
    x = 138,350,123,953.08/427,890.30
  6. Step 6: Final answer
    x = 323,330.83

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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.