Home / 282,945.27-390,625.92-187,581.12

Finding the Fourth Proportional to 282,945.27, 390,625.92 and 187,581.12

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Solution

The fourth proportional to 282,945.27, 390,625.92 and 187,581.12 is: 258,968.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,945.27 : 390,625.92 = 187,581.12 : x
  2. Step 2: Convert to fraction form
    282,945.27/390,625.92 = 187,581.12/x
  3. Step 3: Cross multiply
    282,945.27x = 390,625.92 × 187,581.12
  4. Step 4: Simplify right side
    282,945.27x = 73,274,047,574.63
  5. Step 5: Solve for x
    x = 73,274,047,574.63/282,945.27
  6. Step 6: Final answer
    x = 258,968.98

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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.