Home / 283,649.48-391,428.60-156,325.04

Finding the Fourth Proportional to 283,649.48, 391,428.60 and 156,325.04

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Solution

The fourth proportional to 283,649.48, 391,428.60 and 156,325.04 is: 215,724.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,649.48 : 391,428.60 = 156,325.04 : x
  2. Step 2: Convert to fraction form
    283,649.48/391,428.60 = 156,325.04/x
  3. Step 3: Cross multiply
    283,649.48x = 391,428.60 × 156,325.04
  4. Step 4: Simplify right side
    283,649.48x = 61,190,091,552.14
  5. Step 5: Solve for x
    x = 61,190,091,552.14/283,649.48
  6. Step 6: Final answer
    x = 215,724.32

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1.5x scale

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.