Home / 209,042.30-288,478.16-113,548.33

Finding the Fourth Proportional to 209,042.30, 288,478.16 and 113,548.33

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Solution

The fourth proportional to 209,042.30, 288,478.16 and 113,548.33 is: 156,696.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,042.30 : 288,478.16 = 113,548.33 : x
  2. Step 2: Convert to fraction form
    209,042.30/288,478.16 = 113,548.33/x
  3. Step 3: Cross multiply
    209,042.30x = 288,478.16 × 113,548.33
  4. Step 4: Simplify right side
    209,042.30x = 32,756,213,528.14
  5. Step 5: Solve for x
    x = 32,756,213,528.14/209,042.30
  6. Step 6: Final answer
    x = 156,696.58

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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.