Home / 293,046.30-439,569.45-143,309.70

Finding the Fourth Proportional to 293,046.30, 439,569.45 and 143,309.70

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Solution

The fourth proportional to 293,046.30, 439,569.45 and 143,309.70 is: 214,964.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,046.30 : 439,569.45 = 143,309.70 : x
  2. Step 2: Convert to fraction form
    293,046.30/439,569.45 = 143,309.70/x
  3. Step 3: Cross multiply
    293,046.30x = 439,569.45 × 143,309.70
  4. Step 4: Simplify right side
    293,046.30x = 62,994,566,008.67
  5. Step 5: Solve for x
    x = 62,994,566,008.67/293,046.30
  6. Step 6: Final answer
    x = 214,964.55

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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.