Home / 288,621.10-432,979.04-88,941.52

Finding the Fourth Proportional to 288,621.10, 432,979.04 and 88,941.52

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Solution

The fourth proportional to 288,621.10, 432,979.04 and 88,941.52 is: 133,426.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,621.10 : 432,979.04 = 88,941.52 : x
  2. Step 2: Convert to fraction form
    288,621.10/432,979.04 = 88,941.52/x
  3. Step 3: Cross multiply
    288,621.10x = 432,979.04 × 88,941.52
  4. Step 4: Simplify right side
    288,621.10x = 38,509,813,945.74
  5. Step 5: Solve for x
    x = 38,509,813,945.74/288,621.10
  6. Step 6: Final answer
    x = 133,426.88

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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.