Home / 429,116.48-643,744.92-176,329.52

Finding the Fourth Proportional to 429,116.48, 643,744.92 and 176,329.52

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Solution

The fourth proportional to 429,116.48, 643,744.92 and 176,329.52 is: 264,523.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,116.48 : 643,744.92 = 176,329.52 : x
  2. Step 2: Convert to fraction form
    429,116.48/643,744.92 = 176,329.52/x
  3. Step 3: Cross multiply
    429,116.48x = 643,744.92 × 176,329.52
  4. Step 4: Simplify right side
    429,116.48x = 113,511,232,746.04
  5. Step 5: Solve for x
    x = 113,511,232,746.04/429,116.48
  6. Step 6: Final answer
    x = 264,523.13

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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.