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Finding the Fourth Proportional to 418,908.59, 578,076.58 and 227,922.74

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Solution

The fourth proportional to 418,908.59, 578,076.58 and 227,922.74 is: 314,523.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,908.59 : 578,076.58 = 227,922.74 : x
  2. Step 2: Convert to fraction form
    418,908.59/578,076.58 = 227,922.74/x
  3. Step 3: Cross multiply
    418,908.59x = 578,076.58 × 227,922.74
  4. Step 4: Simplify right side
    418,908.59x = 131,756,798,043.43
  5. Step 5: Solve for x
    x = 131,756,798,043.43/418,908.59
  6. Step 6: Final answer
    x = 314,523.98

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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.