Home / 320,864.12-442,817.10-183,046.10

Finding the Fourth Proportional to 320,864.12, 442,817.10 and 183,046.10

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Solution

The fourth proportional to 320,864.12, 442,817.10 and 183,046.10 is: 252,617.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,864.12 : 442,817.10 = 183,046.10 : x
  2. Step 2: Convert to fraction form
    320,864.12/442,817.10 = 183,046.10/x
  3. Step 3: Cross multiply
    320,864.12x = 442,817.10 × 183,046.10
  4. Step 4: Simplify right side
    320,864.12x = 81,055,943,168.31
  5. Step 5: Solve for x
    x = 81,055,943,168.31/320,864.12
  6. Step 6: Final answer
    x = 252,617.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.