Home / 209,414.05-314,278.95-153,397.69

Finding the Fourth Proportional to 209,414.05, 314,278.95 and 153,397.69

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Solution

The fourth proportional to 209,414.05, 314,278.95 and 153,397.69 is: 230,212.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,414.05 : 314,278.95 = 153,397.69 : x
  2. Step 2: Convert to fraction form
    209,414.05/314,278.95 = 153,397.69/x
  3. Step 3: Cross multiply
    209,414.05x = 314,278.95 × 153,397.69
  4. Step 4: Simplify right side
    209,414.05x = 48,209,664,945.63
  5. Step 5: Solve for x
    x = 48,209,664,945.63/209,414.05
  6. Step 6: Final answer
    x = 230,212.18

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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.