Home / 282,103.23-389,817.14-205,488.52

Finding the Fourth Proportional to 282,103.23, 389,817.14 and 205,488.52

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Solution

The fourth proportional to 282,103.23, 389,817.14 and 205,488.52 is: 283,949.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,103.23 : 389,817.14 = 205,488.52 : x
  2. Step 2: Convert to fraction form
    282,103.23/389,817.14 = 205,488.52/x
  3. Step 3: Cross multiply
    282,103.23x = 389,817.14 × 205,488.52
  4. Step 4: Simplify right side
    282,103.23x = 80,102,946,688.57
  5. Step 5: Solve for x
    x = 80,102,946,688.57/282,103.23
  6. Step 6: Final answer
    x = 283,949.06

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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.