Home / 226,725.60-340,088.40-215,320.80

Finding the Fourth Proportional to 226,725.60, 340,088.40 and 215,320.80

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Solution

The fourth proportional to 226,725.60, 340,088.40 and 215,320.80 is: 322,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,725.60 : 340,088.40 = 215,320.80 : x
  2. Step 2: Convert to fraction form
    226,725.60/340,088.40 = 215,320.80/x
  3. Step 3: Cross multiply
    226,725.60x = 340,088.40 × 215,320.80
  4. Step 4: Simplify right side
    226,725.60x = 73,228,106,358.72
  5. Step 5: Solve for x
    x = 73,228,106,358.72/226,725.60
  6. Step 6: Final answer
    x = 322,981.20

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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.