Home / 429,036.08-643,591.95-159,167.35

Finding the Fourth Proportional to 429,036.08, 643,591.95 and 159,167.35

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Solution

The fourth proportional to 429,036.08, 643,591.95 and 159,167.35 is: 238,765.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,036.08 : 643,591.95 = 159,167.35 : x
  2. Step 2: Convert to fraction form
    429,036.08/643,591.95 = 159,167.35/x
  3. Step 3: Cross multiply
    429,036.08x = 643,591.95 × 159,167.35
  4. Step 4: Simplify right side
    429,036.08x = 102,438,821,149.04
  5. Step 5: Solve for x
    x = 102,438,821,149.04/429,036.08
  6. Step 6: Final answer
    x = 238,765.05

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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.