Home / 407,125.17-561,900.11-225,895.48

Finding the Fourth Proportional to 407,125.17, 561,900.11 and 225,895.48

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Solution

The fourth proportional to 407,125.17, 561,900.11 and 225,895.48 is: 311,773.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,125.17 : 561,900.11 = 225,895.48 : x
  2. Step 2: Convert to fraction form
    407,125.17/561,900.11 = 225,895.48/x
  3. Step 3: Cross multiply
    407,125.17x = 561,900.11 × 225,895.48
  4. Step 4: Simplify right side
    407,125.17x = 126,930,696,465.25
  5. Step 5: Solve for x
    x = 126,930,696,465.25/407,125.17
  6. Step 6: Final answer
    x = 311,773.15

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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.