Home / 284,003.11-391,924.26-156,678.70

Finding the Fourth Proportional to 284,003.11, 391,924.26 and 156,678.70

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Solution

The fourth proportional to 284,003.11, 391,924.26 and 156,678.70 is: 216,216.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,003.11 : 391,924.26 = 156,678.70 : x
  2. Step 2: Convert to fraction form
    284,003.11/391,924.26 = 156,678.70/x
  3. Step 3: Cross multiply
    284,003.11x = 391,924.26 × 156,678.70
  4. Step 4: Simplify right side
    284,003.11x = 61,406,183,555.26
  5. Step 5: Solve for x
    x = 61,406,183,555.26/284,003.11
  6. Step 6: Final answer
    x = 216,216.59

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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.