Home / 356,247.30-534,406.02-103,530

Finding the Fourth Proportional to 356,247.30, 534,406.02 and 103,530

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Solution

The fourth proportional to 356,247.30, 534,406.02 and 103,530 is: 155,305.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,247.30 : 534,406.02 = 103,530 : x
  2. Step 2: Convert to fraction form
    356,247.30/534,406.02 = 103,530/x
  3. Step 3: Cross multiply
    356,247.30x = 534,406.02 × 103,530
  4. Step 4: Simplify right side
    356,247.30x = 55,327,055,250.60
  5. Step 5: Solve for x
    x = 55,327,055,250.60/356,247.30
  6. Step 6: Final answer
    x = 155,305.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.