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Finding the Fourth Proportional to 240,209.97, 360,329.81 and 80,300.29

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Solution

The fourth proportional to 240,209.97, 360,329.81 and 80,300.29 is: 120,455.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,209.97 : 360,329.81 = 80,300.29 : x
  2. Step 2: Convert to fraction form
    240,209.97/360,329.81 = 80,300.29/x
  3. Step 3: Cross multiply
    240,209.97x = 360,329.81 × 80,300.29
  4. Step 4: Simplify right side
    240,209.97x = 28,934,588,238.64
  5. Step 5: Solve for x
    x = 28,934,588,238.64/240,209.97
  6. Step 6: Final answer
    x = 120,455.40

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1.5x scale

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.