Home / 308,081.04-462,089.64-208,878.48

Finding the Fourth Proportional to 308,081.04, 462,089.64 and 208,878.48

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Solution

The fourth proportional to 308,081.04, 462,089.64 and 208,878.48 is: 313,296.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,081.04 : 462,089.64 = 208,878.48 : x
  2. Step 2: Convert to fraction form
    308,081.04/462,089.64 = 208,878.48/x
  3. Step 3: Cross multiply
    308,081.04x = 462,089.64 × 208,878.48
  4. Step 4: Simplify right side
    308,081.04x = 96,520,581,626.95
  5. Step 5: Solve for x
    x = 96,520,581,626.95/308,081.04
  6. Step 6: Final answer
    x = 313,296.08

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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.