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Finding the Fourth Proportional to 535,012.80, 802,519.20 and 179,908.80

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Solution

The fourth proportional to 535,012.80, 802,519.20 and 179,908.80 is: 269,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,012.80 : 802,519.20 = 179,908.80 : x
  2. Step 2: Convert to fraction form
    535,012.80/802,519.20 = 179,908.80/x
  3. Step 3: Cross multiply
    535,012.80x = 802,519.20 × 179,908.80
  4. Step 4: Simplify right side
    535,012.80x = 144,380,266,248.96
  5. Step 5: Solve for x
    x = 144,380,266,248.96/535,012.80
  6. Step 6: Final answer
    x = 269,863.20

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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.