Home / 429,280.72-592,377.73-238,279.07

Finding the Fourth Proportional to 429,280.72, 592,377.73 and 238,279.07

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Solution

The fourth proportional to 429,280.72, 592,377.73 and 238,279.07 is: 328,808.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,280.72 : 592,377.73 = 238,279.07 : x
  2. Step 2: Convert to fraction form
    429,280.72/592,377.73 = 238,279.07/x
  3. Step 3: Cross multiply
    429,280.72x = 592,377.73 × 238,279.07
  4. Step 4: Simplify right side
    429,280.72x = 141,151,214,593.11
  5. Step 5: Solve for x
    x = 141,151,214,593.11/429,280.72
  6. Step 6: Final answer
    x = 328,808.65

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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.