Home / 338,974.40-508,461.60-199,006.40

Finding the Fourth Proportional to 338,974.40, 508,461.60 and 199,006.40

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Solution

The fourth proportional to 338,974.40, 508,461.60 and 199,006.40 is: 298,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,974.40 : 508,461.60 = 199,006.40 : x
  2. Step 2: Convert to fraction form
    338,974.40/508,461.60 = 199,006.40/x
  3. Step 3: Cross multiply
    338,974.40x = 508,461.60 × 199,006.40
  4. Step 4: Simplify right side
    338,974.40x = 101,187,112,554.24
  5. Step 5: Solve for x
    x = 101,187,112,554.24/338,974.40
  6. Step 6: Final answer
    x = 298,509.60

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1.5x scale

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.