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Finding the Fourth Proportional to 163,088.80, 244,633.20 and 44,778.40

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Solution

The fourth proportional to 163,088.80, 244,633.20 and 44,778.40 is: 67,167.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,088.80 : 244,633.20 = 44,778.40 : x
  2. Step 2: Convert to fraction form
    163,088.80/244,633.20 = 44,778.40/x
  3. Step 3: Cross multiply
    163,088.80x = 244,633.20 × 44,778.40
  4. Step 4: Simplify right side
    163,088.80x = 10,954,283,282.88
  5. Step 5: Solve for x
    x = 10,954,283,282.88/163,088.80
  6. Step 6: Final answer
    x = 67,167.60

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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.