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Finding the Fourth Proportional to 211,034, 316,551 and 63,290

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Solution

The fourth proportional to 211,034, 316,551 and 63,290 is: 94,935

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,034 : 316,551 = 63,290 : x
  2. Step 2: Convert to fraction form
    211,034/316,551 = 63,290/x
  3. Step 3: Cross multiply
    211,034x = 316,551 × 63,290
  4. Step 4: Simplify right side
    211,034x = 20,034,512,790
  5. Step 5: Solve for x
    x = 20,034,512,790/211,034
  6. Step 6: Final answer
    x = 94,935

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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.