Home / 285,094.20-393,423.84-156,032.04

Finding the Fourth Proportional to 285,094.20, 393,423.84 and 156,032.04

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Solution

The fourth proportional to 285,094.20, 393,423.84 and 156,032.04 is: 215,320.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,094.20 : 393,423.84 = 156,032.04 : x
  2. Step 2: Convert to fraction form
    285,094.20/393,423.84 = 156,032.04/x
  3. Step 3: Cross multiply
    285,094.20x = 393,423.84 × 156,032.04
  4. Step 4: Simplify right side
    285,094.20x = 61,386,724,339.83
  5. Step 5: Solve for x
    x = 61,386,724,339.83/285,094.20
  6. Step 6: Final answer
    x = 215,320.85

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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.