Home / 209,301.64-288,834.27-113,808.40

Finding the Fourth Proportional to 209,301.64, 288,834.27 and 113,808.40

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Solution

The fourth proportional to 209,301.64, 288,834.27 and 113,808.40 is: 157,054.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,301.64 : 288,834.27 = 113,808.40 : x
  2. Step 2: Convert to fraction form
    209,301.64/288,834.27 = 113,808.40/x
  3. Step 3: Cross multiply
    209,301.64x = 288,834.27 × 113,808.40
  4. Step 4: Simplify right side
    209,301.64x = 32,871,766,133.87
  5. Step 5: Solve for x
    x = 32,871,766,133.87/209,301.64
  6. Step 6: Final answer
    x = 157,054.51

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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.