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Finding the Fourth Proportional to 457,401.92, 631,223.76 and 266,427.60

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Solution

The fourth proportional to 457,401.92, 631,223.76 and 266,427.60 is: 367,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,401.92 : 631,223.76 = 266,427.60 : x
  2. Step 2: Convert to fraction form
    457,401.92/631,223.76 = 266,427.60/x
  3. Step 3: Cross multiply
    457,401.92x = 631,223.76 × 266,427.60
  4. Step 4: Simplify right side
    457,401.92x = 168,175,431,439.78
  5. Step 5: Solve for x
    x = 168,175,431,439.78/457,401.92
  6. Step 6: Final answer
    x = 367,675.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.