Home / 429,279.72-592,376.35-238,278.07

Finding the Fourth Proportional to 429,279.72, 592,376.35 and 238,278.07

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Solution

The fourth proportional to 429,279.72, 592,376.35 and 238,278.07 is: 328,807.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,279.72 : 592,376.35 = 238,278.07 : x
  2. Step 2: Convert to fraction form
    429,279.72/592,376.35 = 238,278.07/x
  3. Step 3: Cross multiply
    429,279.72x = 592,376.35 × 238,278.07
  4. Step 4: Simplify right side
    429,279.72x = 141,150,293,391.65
  5. Step 5: Solve for x
    x = 141,150,293,391.65/429,279.72
  6. Step 6: Final answer
    x = 328,807.27

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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.