Home / 429,389.10-592,575.45-238,402.50

Finding the Fourth Proportional to 429,389.10, 592,575.45 and 238,402.50

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Solution

The fourth proportional to 429,389.10, 592,575.45 and 238,402.50 is: 329,005.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,389.10 : 592,575.45 = 238,402.50 : x
  2. Step 2: Convert to fraction form
    429,389.10/592,575.45 = 238,402.50/x
  3. Step 3: Cross multiply
    429,389.10x = 592,575.45 × 238,402.50
  4. Step 4: Simplify right side
    429,389.10x = 141,271,468,718.63
  5. Step 5: Solve for x
    x = 141,271,468,718.63/429,389.10
  6. Step 6: Final answer
    x = 329,005.72

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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.