Home / 205,032.20-307,548.30-200,424.20

Finding the Fourth Proportional to 205,032.20, 307,548.30 and 200,424.20

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Solution

The fourth proportional to 205,032.20, 307,548.30 and 200,424.20 is: 300,636.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,032.20 : 307,548.30 = 200,424.20 : x
  2. Step 2: Convert to fraction form
    205,032.20/307,548.30 = 200,424.20/x
  3. Step 3: Cross multiply
    205,032.20x = 307,548.30 × 200,424.20
  4. Step 4: Simplify right side
    205,032.20x = 61,640,121,988.86
  5. Step 5: Solve for x
    x = 61,640,121,988.86/205,032.20
  6. Step 6: Final answer
    x = 300,636.30

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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.