Home / 265,180.38-397,777.20-87,687.36

Finding the Fourth Proportional to 265,180.38, 397,777.20 and 87,687.36

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Solution

The fourth proportional to 265,180.38, 397,777.20 and 87,687.36 is: 131,533.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,180.38 : 397,777.20 = 87,687.36 : x
  2. Step 2: Convert to fraction form
    265,180.38/397,777.20 = 87,687.36/x
  3. Step 3: Cross multiply
    265,180.38x = 397,777.20 × 87,687.36
  4. Step 4: Simplify right side
    265,180.38x = 34,880,032,536.19
  5. Step 5: Solve for x
    x = 34,880,032,536.19/265,180.38
  6. Step 6: Final answer
    x = 131,533.23

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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.