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Finding the Fourth Proportional to 282,803.88, 390,328.82 and 179,371.11

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Solution

The fourth proportional to 282,803.88, 390,328.82 and 179,371.11 is: 247,569.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,803.88 : 390,328.82 = 179,371.11 : x
  2. Step 2: Convert to fraction form
    282,803.88/390,328.82 = 179,371.11/x
  3. Step 3: Cross multiply
    282,803.88x = 390,328.82 × 179,371.11
  4. Step 4: Simplify right side
    282,803.88x = 70,013,713,708.39
  5. Step 5: Solve for x
    x = 70,013,713,708.39/282,803.88
  6. Step 6: Final answer
    x = 247,569.85

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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.