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Finding the Fourth Proportional to 370,211.60, 555,187.80 and 192,659.60

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Solution

The fourth proportional to 370,211.60, 555,187.80 and 192,659.60 is: 288,921.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,211.60 : 555,187.80 = 192,659.60 : x
  2. Step 2: Convert to fraction form
    370,211.60/555,187.80 = 192,659.60/x
  3. Step 3: Cross multiply
    370,211.60x = 555,187.80 × 192,659.60
  4. Step 4: Simplify right side
    370,211.60x = 106,962,259,472.88
  5. Step 5: Solve for x
    x = 106,962,259,472.88/370,211.60
  6. Step 6: Final answer
    x = 288,921.96

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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.