Home / 270,555.28-373,437.16-155,847.12

Finding the Fourth Proportional to 270,555.28, 373,437.16 and 155,847.12

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Solution

The fourth proportional to 270,555.28, 373,437.16 and 155,847.12 is: 215,109.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,555.28 : 373,437.16 = 155,847.12 : x
  2. Step 2: Convert to fraction form
    270,555.28/373,437.16 = 155,847.12/x
  3. Step 3: Cross multiply
    270,555.28x = 373,437.16 × 155,847.12
  4. Step 4: Simplify right side
    270,555.28x = 58,199,105,886.98
  5. Step 5: Solve for x
    x = 58,199,105,886.98/270,555.28
  6. Step 6: Final answer
    x = 215,109.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.