Home / 320,157.28-480,263.20-95,503.20

Finding the Fourth Proportional to 320,157.28, 480,263.20 and 95,503.20

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Solution

The fourth proportional to 320,157.28, 480,263.20 and 95,503.20 is: 143,262.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,157.28 : 480,263.20 = 95,503.20 : x
  2. Step 2: Convert to fraction form
    320,157.28/480,263.20 = 95,503.20/x
  3. Step 3: Cross multiply
    320,157.28x = 480,263.20 × 95,503.20
  4. Step 4: Simplify right side
    320,157.28x = 45,866,672,442.24
  5. Step 5: Solve for x
    x = 45,866,672,442.24/320,157.28
  6. Step 6: Final answer
    x = 143,262.94

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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.