Home / 265,130.06-397,695.10-218,284.52

Finding the Fourth Proportional to 265,130.06, 397,695.10 and 218,284.52

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Solution

The fourth proportional to 265,130.06, 397,695.10 and 218,284.52 is: 327,426.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,130.06 : 397,695.10 = 218,284.52 : x
  2. Step 2: Convert to fraction form
    265,130.06/397,695.10 = 218,284.52/x
  3. Step 3: Cross multiply
    265,130.06x = 397,695.10 × 218,284.52
  4. Step 4: Simplify right side
    265,130.06x = 86,810,684,009.85
  5. Step 5: Solve for x
    x = 86,810,684,009.85/265,130.06
  6. Step 6: Final answer
    x = 327,426.79

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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.