Home / 401,524.23-554,118.95-220,243.80

Finding the Fourth Proportional to 401,524.23, 554,118.95 and 220,243.80

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Solution

The fourth proportional to 401,524.23, 554,118.95 and 220,243.80 is: 303,944.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,524.23 : 554,118.95 = 220,243.80 : x
  2. Step 2: Convert to fraction form
    401,524.23/554,118.95 = 220,243.80/x
  3. Step 3: Cross multiply
    401,524.23x = 554,118.95 × 220,243.80
  4. Step 4: Simplify right side
    401,524.23x = 122,041,262,098.79
  5. Step 5: Solve for x
    x = 122,041,262,098.79/401,524.23
  6. Step 6: Final answer
    x = 303,944.95

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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.