Home / 205,047.80-307,514.10-64,849.40

Finding the Fourth Proportional to 205,047.80, 307,514.10 and 64,849.40

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Solution

The fourth proportional to 205,047.80, 307,514.10 and 64,849.40 is: 97,255.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,047.80 : 307,514.10 = 64,849.40 : x
  2. Step 2: Convert to fraction form
    205,047.80/307,514.10 = 64,849.40/x
  3. Step 3: Cross multiply
    205,047.80x = 307,514.10 × 64,849.40
  4. Step 4: Simplify right side
    205,047.80x = 19,942,104,876.54
  5. Step 5: Solve for x
    x = 19,942,104,876.54/205,047.80
  6. Step 6: Final answer
    x = 97,255.88

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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.