Home / 207,534.20-311,106.90-162,530.60

Finding the Fourth Proportional to 207,534.20, 311,106.90 and 162,530.60

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Solution

The fourth proportional to 207,534.20, 311,106.90 and 162,530.60 is: 243,643.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,534.20 : 311,106.90 = 162,530.60 : x
  2. Step 2: Convert to fraction form
    207,534.20/311,106.90 = 162,530.60/x
  3. Step 3: Cross multiply
    207,534.20x = 311,106.90 × 162,530.60
  4. Step 4: Simplify right side
    207,534.20x = 50,564,391,121.14
  5. Step 5: Solve for x
    x = 50,564,391,121.14/207,534.20
  6. Step 6: Final answer
    x = 243,643.66

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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.