Home / 283,359.02-391,035.41-156,034.30

Finding the Fourth Proportional to 283,359.02, 391,035.41 and 156,034.30

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Solution

The fourth proportional to 283,359.02, 391,035.41 and 156,034.30 is: 215,327.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,359.02 : 391,035.41 = 156,034.30 : x
  2. Step 2: Convert to fraction form
    283,359.02/391,035.41 = 156,034.30/x
  3. Step 3: Cross multiply
    283,359.02x = 391,035.41 × 156,034.30
  4. Step 4: Simplify right side
    283,359.02x = 61,014,936,474.56
  5. Step 5: Solve for x
    x = 61,014,936,474.56/283,359.02
  6. Step 6: Final answer
    x = 215,327.31

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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.