Home / 284,514.12-426,766.32-84,835.08

Finding the Fourth Proportional to 284,514.12, 426,766.32 and 84,835.08

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Solution

The fourth proportional to 284,514.12, 426,766.32 and 84,835.08 is: 127,251.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,514.12 : 426,766.32 = 84,835.08 : x
  2. Step 2: Convert to fraction form
    284,514.12/426,766.32 = 84,835.08/x
  3. Step 3: Cross multiply
    284,514.12x = 426,766.32 × 84,835.08
  4. Step 4: Simplify right side
    284,514.12x = 36,204,754,898.51
  5. Step 5: Solve for x
    x = 36,204,754,898.51/284,514.12
  6. Step 6: Final answer
    x = 127,251.17

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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.