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Finding the Fourth Proportional to 429,573.75, 592,811.79 and 238,604.91

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Solution

The fourth proportional to 429,573.75, 592,811.79 and 238,604.91 is: 329,274.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,573.75 : 592,811.79 = 238,604.91 : x
  2. Step 2: Convert to fraction form
    429,573.75/592,811.79 = 238,604.91/x
  3. Step 3: Cross multiply
    429,573.75x = 592,811.79 × 238,604.91
  4. Step 4: Simplify right side
    429,573.75x = 141,447,803,799.89
  5. Step 5: Solve for x
    x = 141,447,803,799.89/429,573.75
  6. Step 6: Final answer
    x = 329,274.78

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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.