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Finding the Fourth Proportional to 250,485.52, 345,659.16 and 149,938.96

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Solution

The fourth proportional to 250,485.52, 345,659.16 and 149,938.96 is: 206,909.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,485.52 : 345,659.16 = 149,938.96 : x
  2. Step 2: Convert to fraction form
    250,485.52/345,659.16 = 149,938.96/x
  3. Step 3: Cross multiply
    250,485.52x = 345,659.16 × 149,938.96
  4. Step 4: Simplify right side
    250,485.52x = 51,827,774,964.87
  5. Step 5: Solve for x
    x = 51,827,774,964.87/250,485.52
  6. Step 6: Final answer
    x = 206,909.27

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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.