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Finding the Fourth Proportional to 378,362.94, 567,528 and 94,047.47

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Solution

The fourth proportional to 378,362.94, 567,528 and 94,047.47 is: 141,067.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,362.94 : 567,528 = 94,047.47 : x
  2. Step 2: Convert to fraction form
    378,362.94/567,528 = 94,047.47/x
  3. Step 3: Cross multiply
    378,362.94x = 567,528 × 94,047.47
  4. Step 4: Simplify right side
    378,362.94x = 53,374,572,554.16
  5. Step 5: Solve for x
    x = 53,374,572,554.16/378,362.94
  6. Step 6: Final answer
    x = 141,067.13

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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.