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Finding the Fourth Proportional to 209,229.62, 288,730.80 and 118,593.93

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Solution

The fourth proportional to 209,229.62, 288,730.80 and 118,593.93 is: 163,656.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,229.62 : 288,730.80 = 118,593.93 : x
  2. Step 2: Convert to fraction form
    209,229.62/288,730.80 = 118,593.93/x
  3. Step 3: Cross multiply
    209,229.62x = 288,730.80 × 118,593.93
  4. Step 4: Simplify right side
    209,229.62x = 34,241,720,284.04
  5. Step 5: Solve for x
    x = 34,241,720,284.04/209,229.62
  6. Step 6: Final answer
    x = 163,656.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.