Home / 451,833.12-677,729.16-199,045.98

Finding the Fourth Proportional to 451,833.12, 677,729.16 and 199,045.98

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Solution

The fourth proportional to 451,833.12, 677,729.16 and 199,045.98 is: 298,559.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,833.12 : 677,729.16 = 199,045.98 : x
  2. Step 2: Convert to fraction form
    451,833.12/677,729.16 = 199,045.98/x
  3. Step 3: Cross multiply
    451,833.12x = 677,729.16 × 199,045.98
  4. Step 4: Simplify right side
    451,833.12x = 134,899,264,826.78
  5. Step 5: Solve for x
    x = 134,899,264,826.78/451,833.12
  6. Step 6: Final answer
    x = 298,559.93

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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.