Home / 401,733.60-554,427.42-220,480.50

Finding the Fourth Proportional to 401,733.60, 554,427.42 and 220,480.50

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Solution

The fourth proportional to 401,733.60, 554,427.42 and 220,480.50 is: 304,282.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,733.60 : 554,427.42 = 220,480.50 : x
  2. Step 2: Convert to fraction form
    401,733.60/554,427.42 = 220,480.50/x
  3. Step 3: Cross multiply
    401,733.60x = 554,427.42 × 220,480.50
  4. Step 4: Simplify right side
    401,733.60x = 122,240,434,775.31
  5. Step 5: Solve for x
    x = 122,240,434,775.31/401,733.60
  6. Step 6: Final answer
    x = 304,282.33

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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.