Home / 429,134.22-643,672.76-176,349.24

Finding the Fourth Proportional to 429,134.22, 643,672.76 and 176,349.24

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Solution

The fourth proportional to 429,134.22, 643,672.76 and 176,349.24 is: 264,512.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,134.22 : 643,672.76 = 176,349.24 : x
  2. Step 2: Convert to fraction form
    429,134.22/643,672.76 = 176,349.24/x
  3. Step 3: Cross multiply
    429,134.22x = 643,672.76 × 176,349.24
  4. Step 4: Simplify right side
    429,134.22x = 113,511,201,152.96
  5. Step 5: Solve for x
    x = 113,511,201,152.96/429,134.22
  6. Step 6: Final answer
    x = 264,512.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.