Home / 205,359.40-307,707.90-116,348.20

Finding the Fourth Proportional to 205,359.40, 307,707.90 and 116,348.20

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Solution

The fourth proportional to 205,359.40, 307,707.90 and 116,348.20 is: 174,334.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,359.40 : 307,707.90 = 116,348.20 : x
  2. Step 2: Convert to fraction form
    205,359.40/307,707.90 = 116,348.20/x
  3. Step 3: Cross multiply
    205,359.40x = 307,707.90 × 116,348.20
  4. Step 4: Simplify right side
    205,359.40x = 35,801,260,290.78
  5. Step 5: Solve for x
    x = 35,801,260,290.78/205,359.40
  6. Step 6: Final answer
    x = 174,334.66

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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.