Home / 403,972.32-606,062.08-123,488.72

Finding the Fourth Proportional to 403,972.32, 606,062.08 and 123,488.72

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Solution

The fourth proportional to 403,972.32, 606,062.08 and 123,488.72 is: 185,264.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,972.32 : 606,062.08 = 123,488.72 : x
  2. Step 2: Convert to fraction form
    403,972.32/606,062.08 = 123,488.72/x
  3. Step 3: Cross multiply
    403,972.32x = 606,062.08 × 123,488.72
  4. Step 4: Simplify right side
    403,972.32x = 74,841,830,499.74
  5. Step 5: Solve for x
    x = 74,841,830,499.74/403,972.32
  6. Step 6: Final answer
    x = 185,264.75

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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.