Home / 666,934.80-1,000,402.20-168,298.80

Finding the Fourth Proportional to 666,934.80, 1,000,402.20 and 168,298.80

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Solution

The fourth proportional to 666,934.80, 1,000,402.20 and 168,298.80 is: 252,448.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,934.80 : 1,000,402.20 = 168,298.80 : x
  2. Step 2: Convert to fraction form
    666,934.80/1,000,402.20 = 168,298.80/x
  3. Step 3: Cross multiply
    666,934.80x = 1,000,402.20 × 168,298.80
  4. Step 4: Simplify right side
    666,934.80x = 168,366,489,777.36
  5. Step 5: Solve for x
    x = 168,366,489,777.36/666,934.80
  6. Step 6: Final answer
    x = 252,448.20

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Similar ratio
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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.