Home / 281,167.93-421,564.02-154,867.20

Finding the Fourth Proportional to 281,167.93, 421,564.02 and 154,867.20

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Solution

The fourth proportional to 281,167.93, 421,564.02 and 154,867.20 is: 232,197.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,167.93 : 421,564.02 = 154,867.20 : x
  2. Step 2: Convert to fraction form
    281,167.93/421,564.02 = 154,867.20/x
  3. Step 3: Cross multiply
    281,167.93x = 421,564.02 × 154,867.20
  4. Step 4: Simplify right side
    281,167.93x = 65,286,439,398.14
  5. Step 5: Solve for x
    x = 65,286,439,398.14/281,167.93
  6. Step 6: Final answer
    x = 232,197.32

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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.