Home / 292,433.14-438,691.49-90,046.34

Finding the Fourth Proportional to 292,433.14, 438,691.49 and 90,046.34

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Solution

The fourth proportional to 292,433.14, 438,691.49 and 90,046.34 is: 135,082.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,433.14 : 438,691.49 = 90,046.34 : x
  2. Step 2: Convert to fraction form
    292,433.14/438,691.49 = 90,046.34/x
  3. Step 3: Cross multiply
    292,433.14x = 438,691.49 × 90,046.34
  4. Step 4: Simplify right side
    292,433.14x = 39,502,563,063.65
  5. Step 5: Solve for x
    x = 39,502,563,063.65/292,433.14
  6. Step 6: Final answer
    x = 135,082.37

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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.