Home / 418,214.55-577,136.70-227,227.89

Finding the Fourth Proportional to 418,214.55, 577,136.70 and 227,227.89

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Solution

The fourth proportional to 418,214.55, 577,136.70 and 227,227.89 is: 313,574.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,214.55 : 577,136.70 = 227,227.89 : x
  2. Step 2: Convert to fraction form
    418,214.55/577,136.70 = 227,227.89/x
  3. Step 3: Cross multiply
    418,214.55x = 577,136.70 × 227,227.89
  4. Step 4: Simplify right side
    418,214.55x = 131,141,554,582.56
  5. Step 5: Solve for x
    x = 131,141,554,582.56/418,214.55
  6. Step 6: Final answer
    x = 313,574.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.