Home / 278,259.22-417,306.75-118,334.85

Finding the Fourth Proportional to 278,259.22, 417,306.75 and 118,334.85

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Solution

The fourth proportional to 278,259.22, 417,306.75 and 118,334.85 is: 177,467.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,259.22 : 417,306.75 = 118,334.85 : x
  2. Step 2: Convert to fraction form
    278,259.22/417,306.75 = 118,334.85/x
  3. Step 3: Cross multiply
    278,259.22x = 417,306.75 × 118,334.85
  4. Step 4: Simplify right side
    278,259.22x = 49,381,931,665.24
  5. Step 5: Solve for x
    x = 49,381,931,665.24/278,259.22
  6. Step 6: Final answer
    x = 177,467.37

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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.