Home / 369,836.73-555,004.22-145,170.55

Finding the Fourth Proportional to 369,836.73, 555,004.22 and 145,170.55

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Solution

The fourth proportional to 369,836.73, 555,004.22 and 145,170.55 is: 217,853.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,836.73 : 555,004.22 = 145,170.55 : x
  2. Step 2: Convert to fraction form
    369,836.73/555,004.22 = 145,170.55/x
  3. Step 3: Cross multiply
    369,836.73x = 555,004.22 × 145,170.55
  4. Step 4: Simplify right side
    369,836.73x = 80,570,267,869.72
  5. Step 5: Solve for x
    x = 80,570,267,869.72/369,836.73
  6. Step 6: Final answer
    x = 217,853.61

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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.