Home / 353,301.20-529,769.40-103,950.80

Finding the Fourth Proportional to 353,301.20, 529,769.40 and 103,950.80

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Solution

The fourth proportional to 353,301.20, 529,769.40 and 103,950.80 is: 155,872.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,301.20 : 529,769.40 = 103,950.80 : x
  2. Step 2: Convert to fraction form
    353,301.20/529,769.40 = 103,950.80/x
  3. Step 3: Cross multiply
    353,301.20x = 529,769.40 × 103,950.80
  4. Step 4: Simplify right side
    353,301.20x = 55,069,952,945.52
  5. Step 5: Solve for x
    x = 55,069,952,945.52/353,301.20
  6. Step 6: Final answer
    x = 155,872.53

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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.