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Finding the Fourth Proportional to 252,284.17, 378,472.91 and 72,362.05

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Solution

The fourth proportional to 252,284.17, 378,472.91 and 72,362.05 is: 108,556.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,284.17 : 378,472.91 = 72,362.05 : x
  2. Step 2: Convert to fraction form
    252,284.17/378,472.91 = 72,362.05/x
  3. Step 3: Cross multiply
    252,284.17x = 378,472.91 × 72,362.05
  4. Step 4: Simplify right side
    252,284.17x = 27,387,075,637.07
  5. Step 5: Solve for x
    x = 27,387,075,637.07/252,284.17
  6. Step 6: Final answer
    x = 108,556.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.