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Finding the Fourth Proportional to 360,157.46, 540,236.12 and 123,502.19

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Solution

The fourth proportional to 360,157.46, 540,236.12 and 123,502.19 is: 185,253.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,157.46 : 540,236.12 = 123,502.19 : x
  2. Step 2: Convert to fraction form
    360,157.46/540,236.12 = 123,502.19/x
  3. Step 3: Cross multiply
    360,157.46x = 540,236.12 × 123,502.19
  4. Step 4: Simplify right side
    360,157.46x = 66,720,340,618.41
  5. Step 5: Solve for x
    x = 66,720,340,618.41/360,157.46
  6. Step 6: Final answer
    x = 185,253.25

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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.