Home / 281,206.46-388,063.22-152,144.50

Finding the Fourth Proportional to 281,206.46, 388,063.22 and 152,144.50

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Solution

The fourth proportional to 281,206.46, 388,063.22 and 152,144.50 is: 209,958.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,206.46 : 388,063.22 = 152,144.50 : x
  2. Step 2: Convert to fraction form
    281,206.46/388,063.22 = 152,144.50/x
  3. Step 3: Cross multiply
    281,206.46x = 388,063.22 × 152,144.50
  4. Step 4: Simplify right side
    281,206.46x = 59,041,684,575.29
  5. Step 5: Solve for x
    x = 59,041,684,575.29/281,206.46
  6. Step 6: Final answer
    x = 209,958.49

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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.