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Finding the Fourth Proportional to 270,373.60, 373,139.76 and 149,543.20

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Solution

The fourth proportional to 270,373.60, 373,139.76 and 149,543.20 is: 206,383.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,373.60 : 373,139.76 = 149,543.20 : x
  2. Step 2: Convert to fraction form
    270,373.60/373,139.76 = 149,543.20/x
  3. Step 3: Cross multiply
    270,373.60x = 373,139.76 × 149,543.20
  4. Step 4: Simplify right side
    270,373.60x = 55,800,513,757.63
  5. Step 5: Solve for x
    x = 55,800,513,757.63/270,373.60
  6. Step 6: Final answer
    x = 206,383.00

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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.