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Finding the Fourth Proportional to 209,337.62, 288,888.12 and 113,844.29

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Solution

The fourth proportional to 209,337.62, 288,888.12 and 113,844.29 is: 157,106.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,337.62 : 288,888.12 = 113,844.29 : x
  2. Step 2: Convert to fraction form
    209,337.62/288,888.12 = 113,844.29/x
  3. Step 3: Cross multiply
    209,337.62x = 288,888.12 × 113,844.29
  4. Step 4: Simplify right side
    209,337.62x = 32,888,261,466.39
  5. Step 5: Solve for x
    x = 32,888,261,466.39/209,337.62
  6. Step 6: Final answer
    x = 157,106.32

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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.