Home / 282,971.29-390,371.56-168,184.71

Finding the Fourth Proportional to 282,971.29, 390,371.56 and 168,184.71

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Solution

The fourth proportional to 282,971.29, 390,371.56 and 168,184.71 is: 232,018.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,971.29 : 390,371.56 = 168,184.71 : x
  2. Step 2: Convert to fraction form
    282,971.29/390,371.56 = 168,184.71/x
  3. Step 3: Cross multiply
    282,971.29x = 390,371.56 × 168,184.71
  4. Step 4: Simplify right side
    282,971.29x = 65,654,524,818.07
  5. Step 5: Solve for x
    x = 65,654,524,818.07/282,971.29
  6. Step 6: Final answer
    x = 232,018.33

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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.