Home / 284,180.06-392,168.52-156,855.69

Finding the Fourth Proportional to 284,180.06, 392,168.52 and 156,855.69

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Solution

The fourth proportional to 284,180.06, 392,168.52 and 156,855.69 is: 216,460.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,180.06 : 392,168.52 = 156,855.69 : x
  2. Step 2: Convert to fraction form
    284,180.06/392,168.52 = 156,855.69/x
  3. Step 3: Cross multiply
    284,180.06x = 392,168.52 × 156,855.69
  4. Step 4: Simplify right side
    284,180.06x = 61,513,863,800.88
  5. Step 5: Solve for x
    x = 61,513,863,800.88/284,180.06
  6. Step 6: Final answer
    x = 216,460.87

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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.