Home / 429,279.71-592,376.36-238,278.06

Finding the Fourth Proportional to 429,279.71, 592,376.36 and 238,278.06

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Solution

The fourth proportional to 429,279.71, 592,376.36 and 238,278.06 is: 328,807.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,279.71 : 592,376.36 = 238,278.06 : x
  2. Step 2: Convert to fraction form
    429,279.71/592,376.36 = 238,278.06/x
  3. Step 3: Cross multiply
    429,279.71x = 592,376.36 × 238,278.06
  4. Step 4: Simplify right side
    429,279.71x = 141,150,289,850.66
  5. Step 5: Solve for x
    x = 141,150,289,850.66/429,279.71
  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.