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Finding the Fourth Proportional to 480,100.44, 720,150.90 and 125,113.56

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Solution

The fourth proportional to 480,100.44, 720,150.90 and 125,113.56 is: 187,670.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,100.44 : 720,150.90 = 125,113.56 : x
  2. Step 2: Convert to fraction form
    480,100.44/720,150.90 = 125,113.56/x
  3. Step 3: Cross multiply
    480,100.44x = 720,150.90 × 125,113.56
  4. Step 4: Simplify right side
    480,100.44x = 90,100,642,836.20
  5. Step 5: Solve for x
    x = 90,100,642,836.20/480,100.44
  6. Step 6: Final answer
    x = 187,670.40

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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.