Home / 283,801.02-391,637.91-156,474.46

Finding the Fourth Proportional to 283,801.02, 391,637.91 and 156,474.46

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Solution

The fourth proportional to 283,801.02, 391,637.91 and 156,474.46 is: 215,930.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,801.02 : 391,637.91 = 156,474.46 : x
  2. Step 2: Convert to fraction form
    283,801.02/391,637.91 = 156,474.46/x
  3. Step 3: Cross multiply
    283,801.02x = 391,637.91 × 156,474.46
  4. Step 4: Simplify right side
    283,801.02x = 61,281,330,482.78
  5. Step 5: Solve for x
    x = 61,281,330,482.78/283,801.02
  6. Step 6: Final answer
    x = 215,930.62

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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.