Home / 209,301.73-288,834.90-113,808.49

Finding the Fourth Proportional to 209,301.73, 288,834.90 and 113,808.49

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Solution

The fourth proportional to 209,301.73, 288,834.90 and 113,808.49 is: 157,054.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,301.73 : 288,834.90 = 113,808.49 : x
  2. Step 2: Convert to fraction form
    209,301.73/288,834.90 = 113,808.49/x
  3. Step 3: Cross multiply
    209,301.73x = 288,834.90 × 113,808.49
  4. Step 4: Simplify right side
    209,301.73x = 32,871,863,828.30
  5. Step 5: Solve for x
    x = 32,871,863,828.30/209,301.73
  6. Step 6: Final answer
    x = 157,054.91

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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.