Home / 269,534.30-403,815.45-128,983.10

Finding the Fourth Proportional to 269,534.30, 403,815.45 and 128,983.10

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Solution

The fourth proportional to 269,534.30, 403,815.45 and 128,983.10 is: 193,242.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,534.30 : 403,815.45 = 128,983.10 : x
  2. Step 2: Convert to fraction form
    269,534.30/403,815.45 = 128,983.10/x
  3. Step 3: Cross multiply
    269,534.30x = 403,815.45 × 128,983.10
  4. Step 4: Simplify right side
    269,534.30x = 52,085,368,568.90
  5. Step 5: Solve for x
    x = 52,085,368,568.90/269,534.30
  6. Step 6: Final answer
    x = 193,242.08

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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.