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Finding the Fourth Proportional to 360,282.61, 540,240.46 and 120,310.22

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Solution

The fourth proportional to 360,282.61, 540,240.46 and 120,310.22 is: 180,404.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,282.61 : 540,240.46 = 120,310.22 : x
  2. Step 2: Convert to fraction form
    360,282.61/540,240.46 = 120,310.22/x
  3. Step 3: Cross multiply
    360,282.61x = 540,240.46 × 120,310.22
  4. Step 4: Simplify right side
    360,282.61x = 64,996,448,595.50
  5. Step 5: Solve for x
    x = 64,996,448,595.50/360,282.61
  6. Step 6: Final answer
    x = 180,404.07

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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.