Home / 418,256.52-577,192.86-227,270.58

Finding the Fourth Proportional to 418,256.52, 577,192.86 and 227,270.58

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Solution

The fourth proportional to 418,256.52, 577,192.86 and 227,270.58 is: 313,632.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,256.52 : 577,192.86 = 227,270.58 : x
  2. Step 2: Convert to fraction form
    418,256.52/577,192.86 = 227,270.58/x
  3. Step 3: Cross multiply
    418,256.52x = 577,192.86 × 227,270.58
  4. Step 4: Simplify right side
    418,256.52x = 131,178,956,064.06
  5. Step 5: Solve for x
    x = 131,178,956,064.06/418,256.52
  6. Step 6: Final answer
    x = 313,632.78

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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.