Home / 372,639.24-514,843.38-259,965

Finding the Fourth Proportional to 372,639.24, 514,843.38 and 259,965

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Solution

The fourth proportional to 372,639.24, 514,843.38 and 259,965 is: 359,171.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,639.24 : 514,843.38 = 259,965 : x
  2. Step 2: Convert to fraction form
    372,639.24/514,843.38 = 259,965/x
  3. Step 3: Cross multiply
    372,639.24x = 514,843.38 × 259,965
  4. Step 4: Simplify right side
    372,639.24x = 133,841,259,281.70
  5. Step 5: Solve for x
    x = 133,841,259,281.70/372,639.24
  6. Step 6: Final answer
    x = 359,171.14

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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.