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Finding the Fourth Proportional to 253,014.76, 379,509.18 and 75,523.24

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Solution

The fourth proportional to 253,014.76, 379,509.18 and 75,523.24 is: 113,280.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,014.76 : 379,509.18 = 75,523.24 : x
  2. Step 2: Convert to fraction form
    253,014.76/379,509.18 = 75,523.24/x
  3. Step 3: Cross multiply
    253,014.76x = 379,509.18 × 75,523.24
  4. Step 4: Simplify right side
    253,014.76x = 28,661,762,883.34
  5. Step 5: Solve for x
    x = 28,661,762,883.34/253,014.76
  6. Step 6: Final answer
    x = 113,280.99

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1.5x scale

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.