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Finding the Fourth Proportional to 175,999.80, 263,999.70 and 51,340.80

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Solution

The fourth proportional to 175,999.80, 263,999.70 and 51,340.80 is: 77,011.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,999.80 : 263,999.70 = 51,340.80 : x
  2. Step 2: Convert to fraction form
    175,999.80/263,999.70 = 51,340.80/x
  3. Step 3: Cross multiply
    175,999.80x = 263,999.70 × 51,340.80
  4. Step 4: Simplify right side
    175,999.80x = 13,553,955,797.76
  5. Step 5: Solve for x
    x = 13,553,955,797.76/175,999.80
  6. Step 6: Final answer
    x = 77,011.20

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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.