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Finding the Fourth Proportional to 210,084, 315,126 and 62,340

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Solution

The fourth proportional to 210,084, 315,126 and 62,340 is: 93,510

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,084 : 315,126 = 62,340 : x
  2. Step 2: Convert to fraction form
    210,084/315,126 = 62,340/x
  3. Step 3: Cross multiply
    210,084x = 315,126 × 62,340
  4. Step 4: Simplify right side
    210,084x = 19,644,954,840
  5. Step 5: Solve for x
    x = 19,644,954,840/210,084
  6. Step 6: Final answer
    x = 93,510

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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.