Home / 229,288.24-316,418.43-127,313.92

Finding the Fourth Proportional to 229,288.24, 316,418.43 and 127,313.92

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Solution

The fourth proportional to 229,288.24, 316,418.43 and 127,313.92 is: 175,693.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,288.24 : 316,418.43 = 127,313.92 : x
  2. Step 2: Convert to fraction form
    229,288.24/316,418.43 = 127,313.92/x
  3. Step 3: Cross multiply
    229,288.24x = 316,418.43 × 127,313.92
  4. Step 4: Simplify right side
    229,288.24x = 40,284,470,683.55
  5. Step 5: Solve for x
    x = 40,284,470,683.55/229,288.24
  6. Step 6: Final answer
    x = 175,693.58

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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.