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Finding the Fourth Proportional to 250,480.56, 345,663.18 and 137,300.88

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Solution

The fourth proportional to 250,480.56, 345,663.18 and 137,300.88 is: 189,475.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,480.56 : 345,663.18 = 137,300.88 : x
  2. Step 2: Convert to fraction form
    250,480.56/345,663.18 = 137,300.88/x
  3. Step 3: Cross multiply
    250,480.56x = 345,663.18 × 137,300.88
  4. Step 4: Simplify right side
    250,480.56x = 47,459,858,797.60
  5. Step 5: Solve for x
    x = 47,459,858,797.60/250,480.56
  6. Step 6: Final answer
    x = 189,475.22

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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.