Home / 283,732.48-391,546.54-156,405.32

Finding the Fourth Proportional to 283,732.48, 391,546.54 and 156,405.32

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Solution

The fourth proportional to 283,732.48, 391,546.54 and 156,405.32 is: 215,836.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,732.48 : 391,546.54 = 156,405.32 : x
  2. Step 2: Convert to fraction form
    283,732.48/391,546.54 = 156,405.32/x
  3. Step 3: Cross multiply
    283,732.48x = 391,546.54 × 156,405.32
  4. Step 4: Simplify right side
    283,732.48x = 61,239,961,883.59
  5. Step 5: Solve for x
    x = 61,239,961,883.59/283,732.48
  6. Step 6: Final answer
    x = 215,836.98

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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.