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Finding the Fourth Proportional to 367,480.80, 550,832.40 and 142,754.40

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Solution

The fourth proportional to 367,480.80, 550,832.40 and 142,754.40 is: 213,980.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,480.80 : 550,832.40 = 142,754.40 : x
  2. Step 2: Convert to fraction form
    367,480.80/550,832.40 = 142,754.40/x
  3. Step 3: Cross multiply
    367,480.80x = 550,832.40 × 142,754.40
  4. Step 4: Simplify right side
    367,480.80x = 78,633,748,762.56
  5. Step 5: Solve for x
    x = 78,633,748,762.56/367,480.80
  6. Step 6: Final answer
    x = 213,980.56

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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.