Home / 320,343.68-441,977.28-223,544.96

Finding the Fourth Proportional to 320,343.68, 441,977.28 and 223,544.96

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Solution

The fourth proportional to 320,343.68, 441,977.28 and 223,544.96 is: 308,424.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,343.68 : 441,977.28 = 223,544.96 : x
  2. Step 2: Convert to fraction form
    320,343.68/441,977.28 = 223,544.96/x
  3. Step 3: Cross multiply
    320,343.68x = 441,977.28 × 223,544.96
  4. Step 4: Simplify right side
    320,343.68x = 98,801,793,378.51
  5. Step 5: Solve for x
    x = 98,801,793,378.51/320,343.68
  6. Step 6: Final answer
    x = 308,424.36

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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.