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Finding the Fourth Proportional to 265,075.22, 365,813.33 and 151,919.54

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Solution

The fourth proportional to 265,075.22, 365,813.33 and 151,919.54 is: 209,654.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,075.22 : 365,813.33 = 151,919.54 : x
  2. Step 2: Convert to fraction form
    265,075.22/365,813.33 = 151,919.54/x
  3. Step 3: Cross multiply
    265,075.22x = 365,813.33 × 151,919.54
  4. Step 4: Simplify right side
    265,075.22x = 55,574,192,819.47
  5. Step 5: Solve for x
    x = 55,574,192,819.47/265,075.22
  6. Step 6: Final answer
    x = 209,654.42

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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.