Home / 282,463.42-423,689.64-113,979.28

Finding the Fourth Proportional to 282,463.42, 423,689.64 and 113,979.28

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Solution

The fourth proportional to 282,463.42, 423,689.64 and 113,979.28 is: 170,966.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,463.42 : 423,689.64 = 113,979.28 : x
  2. Step 2: Convert to fraction form
    282,463.42/423,689.64 = 113,979.28/x
  3. Step 3: Cross multiply
    282,463.42x = 423,689.64 × 113,979.28
  4. Step 4: Simplify right side
    282,463.42x = 48,291,840,110.66
  5. Step 5: Solve for x
    x = 48,291,840,110.66/282,463.42
  6. Step 6: Final answer
    x = 170,966.70

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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.