Home / 351,131.27-526,701.38-123,417.70

Finding the Fourth Proportional to 351,131.27, 526,701.38 and 123,417.70

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Solution

The fourth proportional to 351,131.27, 526,701.38 and 123,417.70 is: 185,128.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,131.27 : 526,701.38 = 123,417.70 : x
  2. Step 2: Convert to fraction form
    351,131.27/526,701.38 = 123,417.70/x
  3. Step 3: Cross multiply
    351,131.27x = 526,701.38 × 123,417.70
  4. Step 4: Simplify right side
    351,131.27x = 65,004,269,655.83
  5. Step 5: Solve for x
    x = 65,004,269,655.83/351,131.27
  6. Step 6: Final answer
    x = 185,128.11

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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.