Home / 243,815.10-365,722.65-240,315.90

Finding the Fourth Proportional to 243,815.10, 365,722.65 and 240,315.90

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Solution

The fourth proportional to 243,815.10, 365,722.65 and 240,315.90 is: 360,473.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,815.10 : 365,722.65 = 240,315.90 : x
  2. Step 2: Convert to fraction form
    243,815.10/365,722.65 = 240,315.90/x
  3. Step 3: Cross multiply
    243,815.10x = 365,722.65 × 240,315.90
  4. Step 4: Simplify right side
    243,815.10x = 87,888,967,785.14
  5. Step 5: Solve for x
    x = 87,888,967,785.14/243,815.10
  6. Step 6: Final answer
    x = 360,473.85

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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.