Home / 265,138.12-397,707.06-218,292.52

Finding the Fourth Proportional to 265,138.12, 397,707.06 and 218,292.52

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Solution

The fourth proportional to 265,138.12, 397,707.06 and 218,292.52 is: 327,438.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,138.12 : 397,707.06 = 218,292.52 : x
  2. Step 2: Convert to fraction form
    265,138.12/397,707.06 = 218,292.52/x
  3. Step 3: Cross multiply
    265,138.12x = 397,707.06 × 218,292.52
  4. Step 4: Simplify right side
    265,138.12x = 86,816,476,349.19
  5. Step 5: Solve for x
    x = 86,816,476,349.19/265,138.12
  6. Step 6: Final answer
    x = 327,438.68

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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.