Home / 247,192.05-341,127.65-145,221.76

Finding the Fourth Proportional to 247,192.05, 341,127.65 and 145,221.76

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Solution

The fourth proportional to 247,192.05, 341,127.65 and 145,221.76 is: 200,407.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,192.05 : 341,127.65 = 145,221.76 : x
  2. Step 2: Convert to fraction form
    247,192.05/341,127.65 = 145,221.76/x
  3. Step 3: Cross multiply
    247,192.05x = 341,127.65 × 145,221.76
  4. Step 4: Simplify right side
    247,192.05x = 49,539,158,507.13
  5. Step 5: Solve for x
    x = 49,539,158,507.13/247,192.05
  6. Step 6: Final answer
    x = 200,407.57

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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.