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Finding the Fourth Proportional to 360,210.02, 539,832.02 and 280,344.42

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Solution

The fourth proportional to 360,210.02, 539,832.02 and 280,344.42 is: 420,140.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,210.02 : 539,832.02 = 280,344.42 : x
  2. Step 2: Convert to fraction form
    360,210.02/539,832.02 = 280,344.42/x
  3. Step 3: Cross multiply
    360,210.02x = 539,832.02 × 280,344.42
  4. Step 4: Simplify right side
    360,210.02x = 151,338,894,544.33
  5. Step 5: Solve for x
    x = 151,338,894,544.33/360,210.02
  6. Step 6: Final answer
    x = 420,140.71

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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.