Home / 278,630.69-417,941.52-110,152.58

Finding the Fourth Proportional to 278,630.69, 417,941.52 and 110,152.58

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Solution

The fourth proportional to 278,630.69, 417,941.52 and 110,152.58 is: 165,227.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,630.69 : 417,941.52 = 110,152.58 : x
  2. Step 2: Convert to fraction form
    278,630.69/417,941.52 = 110,152.58/x
  3. Step 3: Cross multiply
    278,630.69x = 417,941.52 × 110,152.58
  4. Step 4: Simplify right side
    278,630.69x = 46,037,334,833.95
  5. Step 5: Solve for x
    x = 46,037,334,833.95/278,630.69
  6. Step 6: Final answer
    x = 165,227.08

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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.