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Finding the Fourth Proportional to 212,006, 318,009.54 and 64,262

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Solution

The fourth proportional to 212,006, 318,009.54 and 64,262 is: 96,393.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,006 : 318,009.54 = 64,262 : x
  2. Step 2: Convert to fraction form
    212,006/318,009.54 = 64,262/x
  3. Step 3: Cross multiply
    212,006x = 318,009.54 × 64,262
  4. Step 4: Simplify right side
    212,006x = 20,435,929,059.48
  5. Step 5: Solve for x
    x = 20,435,929,059.48/212,006
  6. Step 6: Final answer
    x = 96,393.16

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.