Home / 205,845.80-308,331.30-170,853.80

Finding the Fourth Proportional to 205,845.80, 308,331.30 and 170,853.80

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Solution

The fourth proportional to 205,845.80, 308,331.30 and 170,853.80 is: 255,917.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,845.80 : 308,331.30 = 170,853.80 : x
  2. Step 2: Convert to fraction form
    205,845.80/308,331.30 = 170,853.80/x
  3. Step 3: Cross multiply
    205,845.80x = 308,331.30 × 170,853.80
  4. Step 4: Simplify right side
    205,845.80x = 52,679,574,263.94
  5. Step 5: Solve for x
    x = 52,679,574,263.94/205,845.80
  6. Step 6: Final answer
    x = 255,917.65

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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.