Home / 281,314.74-421,680.50-175,891.62

Finding the Fourth Proportional to 281,314.74, 421,680.50 and 175,891.62

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Solution

The fourth proportional to 281,314.74, 421,680.50 and 175,891.62 is: 263,655.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,314.74 : 421,680.50 = 175,891.62 : x
  2. Step 2: Convert to fraction form
    281,314.74/421,680.50 = 175,891.62/x
  3. Step 3: Cross multiply
    281,314.74x = 421,680.50 × 175,891.62
  4. Step 4: Simplify right side
    281,314.74x = 74,170,066,267.41
  5. Step 5: Solve for x
    x = 74,170,066,267.41/281,314.74
  6. Step 6: Final answer
    x = 263,655.10

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1.5x scale

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.