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Finding the Fourth Proportional to 458,247.64, 632,380.34 and 254,329.32

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Solution

The fourth proportional to 458,247.64, 632,380.34 and 254,329.32 is: 350,973.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,247.64 : 632,380.34 = 254,329.32 : x
  2. Step 2: Convert to fraction form
    458,247.64/632,380.34 = 254,329.32/x
  3. Step 3: Cross multiply
    458,247.64x = 632,380.34 × 254,329.32
  4. Step 4: Simplify right side
    458,247.64x = 160,832,861,853.57
  5. Step 5: Solve for x
    x = 160,832,861,853.57/458,247.64
  6. Step 6: Final answer
    x = 350,973.68

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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.