Home / 370,220.85-555,352.05-103,960.61

Finding the Fourth Proportional to 370,220.85, 555,352.05 and 103,960.61

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Solution

The fourth proportional to 370,220.85, 555,352.05 and 103,960.61 is: 155,946.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,220.85 : 555,352.05 = 103,960.61 : x
  2. Step 2: Convert to fraction form
    370,220.85/555,352.05 = 103,960.61/x
  3. Step 3: Cross multiply
    370,220.85x = 555,352.05 × 103,960.61
  4. Step 4: Simplify right side
    370,220.85x = 57,734,737,578.41
  5. Step 5: Solve for x
    x = 57,734,737,578.41/370,220.85
  6. Step 6: Final answer
    x = 155,946.75

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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.