Home / 240,210.24-360,320.76-82,440

Finding the Fourth Proportional to 240,210.24, 360,320.76 and 82,440

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Solution

The fourth proportional to 240,210.24, 360,320.76 and 82,440 is: 123,661.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,210.24 : 360,320.76 = 82,440 : x
  2. Step 2: Convert to fraction form
    240,210.24/360,320.76 = 82,440/x
  3. Step 3: Cross multiply
    240,210.24x = 360,320.76 × 82,440
  4. Step 4: Simplify right side
    240,210.24x = 29,704,843,454.40
  5. Step 5: Solve for x
    x = 29,704,843,454.40/240,210.24
  6. Step 6: Final answer
    x = 123,661.85

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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.