Home / 308,402.28-462,379.14-208,314.36

Finding the Fourth Proportional to 308,402.28, 462,379.14 and 208,314.36

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Solution

The fourth proportional to 308,402.28, 462,379.14 and 208,314.36 is: 312,320.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,402.28 : 462,379.14 = 208,314.36 : x
  2. Step 2: Convert to fraction form
    308,402.28/462,379.14 = 208,314.36/x
  3. Step 3: Cross multiply
    308,402.28x = 462,379.14 × 208,314.36
  4. Step 4: Simplify right side
    308,402.28x = 96,320,214,626.45
  5. Step 5: Solve for x
    x = 96,320,214,626.45/308,402.28
  6. Step 6: Final answer
    x = 312,320.05

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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.