Home / 239,817.16-330,987.70-229,188.04

Finding the Fourth Proportional to 239,817.16, 330,987.70 and 229,188.04

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Solution

The fourth proportional to 239,817.16, 330,987.70 and 229,188.04 is: 316,317.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,817.16 : 330,987.70 = 229,188.04 : x
  2. Step 2: Convert to fraction form
    239,817.16/330,987.70 = 229,188.04/x
  3. Step 3: Cross multiply
    239,817.16x = 330,987.70 × 229,188.04
  4. Step 4: Simplify right side
    239,817.16x = 75,858,422,227.11
  5. Step 5: Solve for x
    x = 75,858,422,227.11/239,817.16
  6. Step 6: Final answer
    x = 316,317.74

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1.5x scale

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.