Home / 418,212.20-577,136.42-227,225.96

Finding the Fourth Proportional to 418,212.20, 577,136.42 and 227,225.96

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Solution

The fourth proportional to 418,212.20, 577,136.42 and 227,225.96 is: 313,573.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,212.20 : 577,136.42 = 227,225.96 : x
  2. Step 2: Convert to fraction form
    418,212.20/577,136.42 = 227,225.96/x
  3. Step 3: Cross multiply
    418,212.20x = 577,136.42 × 227,225.96
  4. Step 4: Simplify right side
    418,212.20x = 131,140,377,085.46
  5. Step 5: Solve for x
    x = 131,140,377,085.46/418,212.20
  6. Step 6: Final answer
    x = 313,573.77

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1.5x scale

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.