Home / 281,010.32-421,578.66-147,953.24

Finding the Fourth Proportional to 281,010.32, 421,578.66 and 147,953.24

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Solution

The fourth proportional to 281,010.32, 421,578.66 and 147,953.24 is: 221,963.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,010.32 : 421,578.66 = 147,953.24 : x
  2. Step 2: Convert to fraction form
    281,010.32/421,578.66 = 147,953.24/x
  3. Step 3: Cross multiply
    281,010.32x = 421,578.66 × 147,953.24
  4. Step 4: Simplify right side
    281,010.32x = 62,373,928,661.86
  5. Step 5: Solve for x
    x = 62,373,928,661.86/281,010.32
  6. Step 6: Final answer
    x = 221,963.12

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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.