Home / 247,257.47-341,281.85-145,351.22

Finding the Fourth Proportional to 247,257.47, 341,281.85 and 145,351.22

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Solution

The fourth proportional to 247,257.47, 341,281.85 and 145,351.22 is: 200,623.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,257.47 : 341,281.85 = 145,351.22 : x
  2. Step 2: Convert to fraction form
    247,257.47/341,281.85 = 145,351.22/x
  3. Step 3: Cross multiply
    247,257.47x = 341,281.85 × 145,351.22
  4. Step 4: Simplify right side
    247,257.47x = 49,605,733,387.81
  5. Step 5: Solve for x
    x = 49,605,733,387.81/247,257.47
  6. Step 6: Final answer
    x = 200,623.80

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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.