Home / 230,823.06-345,559.71-208,687.38

Finding the Fourth Proportional to 230,823.06, 345,559.71 and 208,687.38

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Solution

The fourth proportional to 230,823.06, 345,559.71 and 208,687.38 is: 312,420.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,823.06 : 345,559.71 = 208,687.38 : x
  2. Step 2: Convert to fraction form
    230,823.06/345,559.71 = 208,687.38/x
  3. Step 3: Cross multiply
    230,823.06x = 345,559.71 × 208,687.38
  4. Step 4: Simplify right side
    230,823.06x = 72,113,950,513.46
  5. Step 5: Solve for x
    x = 72,113,950,513.46/230,823.06
  6. Step 6: Final answer
    x = 312,420.91

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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.