Home / 278,229.25-417,397.99-118,303.35

Finding the Fourth Proportional to 278,229.25, 417,397.99 and 118,303.35

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Solution

The fourth proportional to 278,229.25, 417,397.99 and 118,303.35 is: 177,478.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,229.25 : 417,397.99 = 118,303.35 : x
  2. Step 2: Convert to fraction form
    278,229.25/417,397.99 = 118,303.35/x
  3. Step 3: Cross multiply
    278,229.25x = 417,397.99 × 118,303.35
  4. Step 4: Simplify right side
    278,229.25x = 49,379,580,500.27
  5. Step 5: Solve for x
    x = 49,379,580,500.27/278,229.25
  6. Step 6: Final answer
    x = 177,478.03

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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.