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Finding the Fourth Proportional to 265,595.67, 366,512.72 and 144,734.49

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Solution

The fourth proportional to 265,595.67, 366,512.72 and 144,734.49 is: 199,728.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,595.67 : 366,512.72 = 144,734.49 : x
  2. Step 2: Convert to fraction form
    265,595.67/366,512.72 = 144,734.49/x
  3. Step 3: Cross multiply
    265,595.67x = 366,512.72 × 144,734.49
  4. Step 4: Simplify right side
    265,595.67x = 53,047,030,884.04
  5. Step 5: Solve for x
    x = 53,047,030,884.04/265,595.67
  6. Step 6: Final answer
    x = 199,728.52

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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.