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Finding the Fourth Proportional to 250,999.56, 346,378.68 and 150,397.56

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Solution

The fourth proportional to 250,999.56, 346,378.68 and 150,397.56 is: 207,548.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,999.56 : 346,378.68 = 150,397.56 : x
  2. Step 2: Convert to fraction form
    250,999.56/346,378.68 = 150,397.56/x
  3. Step 3: Cross multiply
    250,999.56x = 346,378.68 × 150,397.56
  4. Step 4: Simplify right side
    250,999.56x = 52,094,508,308.02
  5. Step 5: Solve for x
    x = 52,094,508,308.02/250,999.56
  6. Step 6: Final answer
    x = 207,548.21

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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.