Home / 283,475.37-391,197.07-156,150.66

Finding the Fourth Proportional to 283,475.37, 391,197.07 and 156,150.66

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Solution

The fourth proportional to 283,475.37, 391,197.07 and 156,150.66 is: 215,488.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,475.37 : 391,197.07 = 156,150.66 : x
  2. Step 2: Convert to fraction form
    283,475.37/391,197.07 = 156,150.66/x
  3. Step 3: Cross multiply
    283,475.37x = 391,197.07 × 156,150.66
  4. Step 4: Simplify right side
    283,475.37x = 61,085,680,670.57
  5. Step 5: Solve for x
    x = 61,085,680,670.57/283,475.37
  6. Step 6: Final answer
    x = 215,488.49

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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.