Home / 416,280.64-574,467.26-225,294.02

Finding the Fourth Proportional to 416,280.64, 574,467.26 and 225,294.02

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Solution

The fourth proportional to 416,280.64, 574,467.26 and 225,294.02 is: 310,905.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,280.64 : 574,467.26 = 225,294.02 : x
  2. Step 2: Convert to fraction form
    416,280.64/574,467.26 = 225,294.02/x
  3. Step 3: Cross multiply
    416,280.64x = 574,467.26 × 225,294.02
  4. Step 4: Simplify right side
    416,280.64x = 129,424,038,363.79
  5. Step 5: Solve for x
    x = 129,424,038,363.79/416,280.64
  6. Step 6: Final answer
    x = 310,905.74

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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.