Home / 282,634.80-423,296.10-193,405.20

Finding the Fourth Proportional to 282,634.80, 423,296.10 and 193,405.20

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Solution

The fourth proportional to 282,634.80, 423,296.10 and 193,405.20 is: 289,658.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,634.80 : 423,296.10 = 193,405.20 : x
  2. Step 2: Convert to fraction form
    282,634.80/423,296.10 = 193,405.20/x
  3. Step 3: Cross multiply
    282,634.80x = 423,296.10 × 193,405.20
  4. Step 4: Simplify right side
    282,634.80x = 81,867,666,879.72
  5. Step 5: Solve for x
    x = 81,867,666,879.72/282,634.80
  6. Step 6: Final answer
    x = 289,658.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.