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Finding the Fourth Proportional to 278,136.45, 414,866.48 and 252,594.65

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Solution

The fourth proportional to 278,136.45, 414,866.48 and 252,594.65 is: 376,768.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,136.45 : 414,866.48 = 252,594.65 : x
  2. Step 2: Convert to fraction form
    278,136.45/414,866.48 = 252,594.65/x
  3. Step 3: Cross multiply
    278,136.45x = 414,866.48 × 252,594.65
  4. Step 4: Simplify right side
    278,136.45x = 104,793,053,086.53
  5. Step 5: Solve for x
    x = 104,793,053,086.53/278,136.45
  6. Step 6: Final answer
    x = 376,768.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.