Home / 207,509.55-285,761.21-180,273.30

Finding the Fourth Proportional to 207,509.55, 285,761.21 and 180,273.30

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Solution

The fourth proportional to 207,509.55, 285,761.21 and 180,273.30 is: 248,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,509.55 : 285,761.21 = 180,273.30 : x
  2. Step 2: Convert to fraction form
    207,509.55/285,761.21 = 180,273.30/x
  3. Step 3: Cross multiply
    207,509.55x = 285,761.21 × 180,273.30
  4. Step 4: Simplify right side
    207,509.55x = 51,515,116,338.69
  5. Step 5: Solve for x
    x = 51,515,116,338.69/207,509.55
  6. Step 6: Final answer
    x = 248,254.20

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1.5x scale

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.