Home / 278,228.25-417,396.49-118,302.35

Finding the Fourth Proportional to 278,228.25, 417,396.49 and 118,302.35

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Solution

The fourth proportional to 278,228.25, 417,396.49 and 118,302.35 is: 177,476.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,228.25 : 417,396.49 = 118,302.35 : x
  2. Step 2: Convert to fraction form
    278,228.25/417,396.49 = 118,302.35/x
  3. Step 3: Cross multiply
    278,228.25x = 417,396.49 × 118,302.35
  4. Step 4: Simplify right side
    278,228.25x = 49,378,983,266.01
  5. Step 5: Solve for x
    x = 49,378,983,266.01/278,228.25
  6. Step 6: Final answer
    x = 177,476.53

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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.