Home / 282,934.20-390,318.30-169,560.12

Finding the Fourth Proportional to 282,934.20, 390,318.30 and 169,560.12

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Solution

The fourth proportional to 282,934.20, 390,318.30 and 169,560.12 is: 233,914.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,934.20 : 390,318.30 = 169,560.12 : x
  2. Step 2: Convert to fraction form
    282,934.20/390,318.30 = 169,560.12/x
  3. Step 3: Cross multiply
    282,934.20x = 390,318.30 × 169,560.12
  4. Step 4: Simplify right side
    282,934.20x = 66,182,417,786.20
  5. Step 5: Solve for x
    x = 66,182,417,786.20/282,934.20
  6. Step 6: Final answer
    x = 233,914.52

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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.