Home / 282,822.40-390,271.79-166,517.47

Finding the Fourth Proportional to 282,822.40, 390,271.79 and 166,517.47

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Solution

The fourth proportional to 282,822.40, 390,271.79 and 166,517.47 is: 229,780.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,822.40 : 390,271.79 = 166,517.47 : x
  2. Step 2: Convert to fraction form
    282,822.40/390,271.79 = 166,517.47/x
  3. Step 3: Cross multiply
    282,822.40x = 390,271.79 × 166,517.47
  4. Step 4: Simplify right side
    282,822.40x = 64,987,068,299.23
  5. Step 5: Solve for x
    x = 64,987,068,299.23/282,822.40
  6. Step 6: Final answer
    x = 229,780.49

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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.