Home / 209,264.17-288,783.13-113,770.87

Finding the Fourth Proportional to 209,264.17, 288,783.13 and 113,770.87

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Solution

The fourth proportional to 209,264.17, 288,783.13 and 113,770.87 is: 157,003.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,264.17 : 288,783.13 = 113,770.87 : x
  2. Step 2: Convert to fraction form
    209,264.17/288,783.13 = 113,770.87/x
  3. Step 3: Cross multiply
    209,264.17x = 288,783.13 × 113,770.87
  4. Step 4: Simplify right side
    209,264.17x = 32,855,107,941.42
  5. Step 5: Solve for x
    x = 32,855,107,941.42/209,264.17
  6. Step 6: Final answer
    x = 157,003.03

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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.