Home / 207,636.20-311,195.10-152,167.40

Finding the Fourth Proportional to 207,636.20, 311,195.10 and 152,167.40

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Solution

The fourth proportional to 207,636.20, 311,195.10 and 152,167.40 is: 228,061.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,636.20 : 311,195.10 = 152,167.40 : x
  2. Step 2: Convert to fraction form
    207,636.20/311,195.10 = 152,167.40/x
  3. Step 3: Cross multiply
    207,636.20x = 311,195.10 × 152,167.40
  4. Step 4: Simplify right side
    207,636.20x = 47,353,749,259.74
  5. Step 5: Solve for x
    x = 47,353,749,259.74/207,636.20
  6. Step 6: Final answer
    x = 228,061.14

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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.