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Finding the Fourth Proportional to 150,597.04, 225,915.16 and 45,426.64

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Solution

The fourth proportional to 150,597.04, 225,915.16 and 45,426.64 is: 68,145.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,597.04 : 225,915.16 = 45,426.64 : x
  2. Step 2: Convert to fraction form
    150,597.04/225,915.16 = 45,426.64/x
  3. Step 3: Cross multiply
    150,597.04x = 225,915.16 × 45,426.64
  4. Step 4: Simplify right side
    150,597.04x = 10,262,566,643.86
  5. Step 5: Solve for x
    x = 10,262,566,643.86/150,597.04
  6. Step 6: Final answer
    x = 68,145.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.