Home / 308,001.90-462,002.85-208,274.70

Finding the Fourth Proportional to 308,001.90, 462,002.85 and 208,274.70

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Solution

The fourth proportional to 308,001.90, 462,002.85 and 208,274.70 is: 312,412.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,001.90 : 462,002.85 = 208,274.70 : x
  2. Step 2: Convert to fraction form
    308,001.90/462,002.85 = 208,274.70/x
  3. Step 3: Cross multiply
    308,001.90x = 462,002.85 × 208,274.70
  4. Step 4: Simplify right side
    308,001.90x = 96,223,504,982.90
  5. Step 5: Solve for x
    x = 96,223,504,982.90/308,001.90
  6. Step 6: Final answer
    x = 312,412.05

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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.