Home / 407,170.53-561,895.98-225,882.45

Finding the Fourth Proportional to 407,170.53, 561,895.98 and 225,882.45

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Solution

The fourth proportional to 407,170.53, 561,895.98 and 225,882.45 is: 311,718.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,170.53 : 561,895.98 = 225,882.45 : x
  2. Step 2: Convert to fraction form
    407,170.53/561,895.98 = 225,882.45/x
  3. Step 3: Cross multiply
    407,170.53x = 561,895.98 × 225,882.45
  4. Step 4: Simplify right side
    407,170.53x = 126,922,440,607.55
  5. Step 5: Solve for x
    x = 126,922,440,607.55/407,170.53
  6. Step 6: Final answer
    x = 311,718.14

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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.