Home / 207,509.19-311,543.66-132,775.22

Finding the Fourth Proportional to 207,509.19, 311,543.66 and 132,775.22

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Solution

The fourth proportional to 207,509.19, 311,543.66 and 132,775.22 is: 199,341.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,509.19 : 311,543.66 = 132,775.22 : x
  2. Step 2: Convert to fraction form
    207,509.19/311,543.66 = 132,775.22/x
  3. Step 3: Cross multiply
    207,509.19x = 311,543.66 × 132,775.22
  4. Step 4: Simplify right side
    207,509.19x = 41,365,275,774.51
  5. Step 5: Solve for x
    x = 41,365,275,774.51/207,509.19
  6. Step 6: Final answer
    x = 199,341.90

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1.5x scale

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.