Home / 262,574.10-392,986.35-231,081.30

Finding the Fourth Proportional to 262,574.10, 392,986.35 and 231,081.30

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Solution

The fourth proportional to 262,574.10, 392,986.35 and 231,081.30 is: 345,852.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,574.10 : 392,986.35 = 231,081.30 : x
  2. Step 2: Convert to fraction form
    262,574.10/392,986.35 = 231,081.30/x
  3. Step 3: Cross multiply
    262,574.10x = 392,986.35 × 231,081.30
  4. Step 4: Simplify right side
    262,574.10x = 90,811,796,640.26
  5. Step 5: Solve for x
    x = 90,811,796,640.26/262,574.10
  6. Step 6: Final answer
    x = 345,852.07

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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.