Home / 828,237.15-1,242,383.31-229,148.15

Finding the Fourth Proportional to 828,237.15, 1,242,383.31 and 229,148.15

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Solution

The fourth proportional to 828,237.15, 1,242,383.31 and 229,148.15 is: 343,729.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,237.15 : 1,242,383.31 = 229,148.15 : x
  2. Step 2: Convert to fraction form
    828,237.15/1,242,383.31 = 229,148.15/x
  3. Step 3: Cross multiply
    828,237.15x = 1,242,383.31 × 229,148.15
  4. Step 4: Simplify right side
    828,237.15x = 284,689,830,865.46
  5. Step 5: Solve for x
    x = 284,689,830,865.46/828,237.15
  6. Step 6: Final answer
    x = 343,729.85

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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.