Home / 247,237.11-341,141.63-145,279.17

Finding the Fourth Proportional to 247,237.11, 341,141.63 and 145,279.17

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Solution

The fourth proportional to 247,237.11, 341,141.63 and 145,279.17 is: 200,458.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,237.11 : 341,141.63 = 145,279.17 : x
  2. Step 2: Convert to fraction form
    247,237.11/341,141.63 = 145,279.17/x
  3. Step 3: Cross multiply
    247,237.11x = 341,141.63 × 145,279.17
  4. Step 4: Simplify right side
    247,237.11x = 49,560,772,132.45
  5. Step 5: Solve for x
    x = 49,560,772,132.45/247,237.11
  6. Step 6: Final answer
    x = 200,458.47

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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.