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Finding the Fourth Proportional to 429,166.44, 592,242.30 and 238,187.88

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Solution

The fourth proportional to 429,166.44, 592,242.30 and 238,187.88 is: 328,695.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,166.44 : 592,242.30 = 238,187.88 : x
  2. Step 2: Convert to fraction form
    429,166.44/592,242.30 = 238,187.88/x
  3. Step 3: Cross multiply
    429,166.44x = 592,242.30 × 238,187.88
  4. Step 4: Simplify right side
    429,166.44x = 141,064,937,883.32
  5. Step 5: Solve for x
    x = 141,064,937,883.32/429,166.44
  6. Step 6: Final answer
    x = 328,695.17

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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.