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Finding the Fourth Proportional to 361,841.87, 499,014.90 and 225,888.36

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Solution

The fourth proportional to 361,841.87, 499,014.90 and 225,888.36 is: 311,521.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,841.87 : 499,014.90 = 225,888.36 : x
  2. Step 2: Convert to fraction form
    361,841.87/499,014.90 = 225,888.36/x
  3. Step 3: Cross multiply
    361,841.87x = 499,014.90 × 225,888.36
  4. Step 4: Simplify right side
    361,841.87x = 112,721,657,376.56
  5. Step 5: Solve for x
    x = 112,721,657,376.56/361,841.87
  6. Step 6: Final answer
    x = 311,521.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.