Home / 551,073.80-826,926.06-214,070.78

Finding the Fourth Proportional to 551,073.80, 826,926.06 and 214,070.78

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Solution

The fourth proportional to 551,073.80, 826,926.06 and 214,070.78 is: 321,228.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,073.80 : 826,926.06 = 214,070.78 : x
  2. Step 2: Convert to fraction form
    551,073.80/826,926.06 = 214,070.78/x
  3. Step 3: Cross multiply
    551,073.80x = 826,926.06 × 214,070.78
  4. Step 4: Simplify right side
    551,073.80x = 177,020,706,666.53
  5. Step 5: Solve for x
    x = 177,020,706,666.53/551,073.80
  6. Step 6: Final answer
    x = 321,228.68

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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.