Home / 226,440.24-312,462.72-130,932.48

Finding the Fourth Proportional to 226,440.24, 312,462.72 and 130,932.48

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Solution

The fourth proportional to 226,440.24, 312,462.72 and 130,932.48 is: 180,672.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,440.24 : 312,462.72 = 130,932.48 : x
  2. Step 2: Convert to fraction form
    226,440.24/312,462.72 = 130,932.48/x
  3. Step 3: Cross multiply
    226,440.24x = 312,462.72 × 130,932.48
  4. Step 4: Simplify right side
    226,440.24x = 40,911,518,837.15
  5. Step 5: Solve for x
    x = 40,911,518,837.15/226,440.24
  6. Step 6: Final answer
    x = 180,672.48

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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.