Home / 321,899.04-444,302.46-219,965.76

Finding the Fourth Proportional to 321,899.04, 444,302.46 and 219,965.76

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Solution

The fourth proportional to 321,899.04, 444,302.46 and 219,965.76 is: 303,608.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,899.04 : 444,302.46 = 219,965.76 : x
  2. Step 2: Convert to fraction form
    321,899.04/444,302.46 = 219,965.76/x
  3. Step 3: Cross multiply
    321,899.04x = 444,302.46 × 219,965.76
  4. Step 4: Simplify right side
    321,899.04x = 97,731,328,283.77
  5. Step 5: Solve for x
    x = 97,731,328,283.77/321,899.04
  6. Step 6: Final answer
    x = 303,608.64

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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.