Home / 420,357.12-580,096.26-229,373.70

Finding the Fourth Proportional to 420,357.12, 580,096.26 and 229,373.70

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Solution

The fourth proportional to 420,357.12, 580,096.26 and 229,373.70 is: 316,537.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,357.12 : 580,096.26 = 229,373.70 : x
  2. Step 2: Convert to fraction form
    420,357.12/580,096.26 = 229,373.70/x
  3. Step 3: Cross multiply
    420,357.12x = 580,096.26 × 229,373.70
  4. Step 4: Simplify right side
    420,357.12x = 133,058,825,512.36
  5. Step 5: Solve for x
    x = 133,058,825,512.36/420,357.12
  6. Step 6: Final answer
    x = 316,537.58

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1.5x scale

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.