Home / 472,283.06-651,757.19-257,422.73

Finding the Fourth Proportional to 472,283.06, 651,757.19 and 257,422.73

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Solution

The fourth proportional to 472,283.06, 651,757.19 and 257,422.73 is: 355,246.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,283.06 : 651,757.19 = 257,422.73 : x
  2. Step 2: Convert to fraction form
    472,283.06/651,757.19 = 257,422.73/x
  3. Step 3: Cross multiply
    472,283.06x = 651,757.19 × 257,422.73
  4. Step 4: Simplify right side
    472,283.06x = 167,777,110,601.03
  5. Step 5: Solve for x
    x = 167,777,110,601.03/472,283.06
  6. Step 6: Final answer
    x = 355,246.94

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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.