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Finding the Fourth Proportional to 282,060.99, 389,186.94 and 167,289.27

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Solution

The fourth proportional to 282,060.99, 389,186.94 and 167,289.27 is: 230,825.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,060.99 : 389,186.94 = 167,289.27 : x
  2. Step 2: Convert to fraction form
    282,060.99/389,186.94 = 167,289.27/x
  3. Step 3: Cross multiply
    282,060.99x = 389,186.94 × 167,289.27
  4. Step 4: Simplify right side
    282,060.99x = 65,106,799,086.13
  5. Step 5: Solve for x
    x = 65,106,799,086.13/282,060.99
  6. Step 6: Final answer
    x = 230,825.25

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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.