Home / 272,990.20-409,543.61-95,503.00

Finding the Fourth Proportional to 272,990.20, 409,543.61 and 95,503.00

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Solution

The fourth proportional to 272,990.20, 409,543.61 and 95,503.00 is: 143,274.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,990.20 : 409,543.61 = 95,503.00 : x
  2. Step 2: Convert to fraction form
    272,990.20/409,543.61 = 95,503.00/x
  3. Step 3: Cross multiply
    272,990.20x = 409,543.61 × 95,503.00
  4. Step 4: Simplify right side
    272,990.20x = 39,112,641,338.11
  5. Step 5: Solve for x
    x = 39,112,641,338.11/272,990.20
  6. Step 6: Final answer
    x = 143,274.89

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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.