Home / 260,497.20-359,501.28-145,774.88

Finding the Fourth Proportional to 260,497.20, 359,501.28 and 145,774.88

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Solution

The fourth proportional to 260,497.20, 359,501.28 and 145,774.88 is: 201,177.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,497.20 : 359,501.28 = 145,774.88 : x
  2. Step 2: Convert to fraction form
    260,497.20/359,501.28 = 145,774.88/x
  3. Step 3: Cross multiply
    260,497.20x = 359,501.28 × 145,774.88
  4. Step 4: Simplify right side
    260,497.20x = 52,406,255,951.85
  5. Step 5: Solve for x
    x = 52,406,255,951.85/260,497.20
  6. Step 6: Final answer
    x = 201,177.81

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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.