Home / 401,685.08-554,306.70-220,392.92

Finding the Fourth Proportional to 401,685.08, 554,306.70 and 220,392.92

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Solution

The fourth proportional to 401,685.08, 554,306.70 and 220,392.92 is: 304,131.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,685.08 : 554,306.70 = 220,392.92 : x
  2. Step 2: Convert to fraction form
    401,685.08/554,306.70 = 220,392.92/x
  3. Step 3: Cross multiply
    401,685.08x = 554,306.70 × 220,392.92
  4. Step 4: Simplify right side
    401,685.08x = 122,165,272,188.56
  5. Step 5: Solve for x
    x = 122,165,272,188.56/401,685.08
  6. Step 6: Final answer
    x = 304,131.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.