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Finding the Fourth Proportional to 476,843.84, 715,461.60 and 227,366.72

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Solution

The fourth proportional to 476,843.84, 715,461.60 and 227,366.72 is: 341,143.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,843.84 : 715,461.60 = 227,366.72 : x
  2. Step 2: Convert to fraction form
    476,843.84/715,461.60 = 227,366.72/x
  3. Step 3: Cross multiply
    476,843.84x = 715,461.60 × 227,366.72
  4. Step 4: Simplify right side
    476,843.84x = 162,672,157,277.95
  5. Step 5: Solve for x
    x = 162,672,157,277.95/476,843.84
  6. Step 6: Final answer
    x = 341,143.46

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1.5x scale

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.