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Finding the Fourth Proportional to 416,253.13, 574,430.03 and 225,266.67

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Solution

The fourth proportional to 416,253.13, 574,430.03 and 225,266.67 is: 310,868.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,253.13 : 574,430.03 = 225,266.67 : x
  2. Step 2: Convert to fraction form
    416,253.13/574,430.03 = 225,266.67/x
  3. Step 3: Cross multiply
    416,253.13x = 574,430.03 × 225,266.67
  4. Step 4: Simplify right side
    416,253.13x = 129,399,940,006.10
  5. Step 5: Solve for x
    x = 129,399,940,006.10/416,253.13
  6. Step 6: Final answer
    x = 310,868.39

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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.