Home / 208,748.96-288,278.08-144,383.04

Finding the Fourth Proportional to 208,748.96, 288,278.08 and 144,383.04

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Solution

The fourth proportional to 208,748.96, 288,278.08 and 144,383.04 is: 199,390.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,748.96 : 288,278.08 = 144,383.04 : x
  2. Step 2: Convert to fraction form
    208,748.96/288,278.08 = 144,383.04/x
  3. Step 3: Cross multiply
    208,748.96x = 288,278.08 × 144,383.04
  4. Step 4: Simplify right side
    208,748.96x = 41,622,465,555.76
  5. Step 5: Solve for x
    x = 41,622,465,555.76/208,748.96
  6. Step 6: Final answer
    x = 199,390.05

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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.