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Finding the Fourth Proportional to 211,032, 316,548 and 63,288

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Solution

The fourth proportional to 211,032, 316,548 and 63,288 is: 94,932

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,032 : 316,548 = 63,288 : x
  2. Step 2: Convert to fraction form
    211,032/316,548 = 63,288/x
  3. Step 3: Cross multiply
    211,032x = 316,548 × 63,288
  4. Step 4: Simplify right side
    211,032x = 20,033,689,824
  5. Step 5: Solve for x
    x = 20,033,689,824/211,032
  6. Step 6: Final answer
    x = 94,932

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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.