Home / 212,035.20-318,052.80-183,166.80

Finding the Fourth Proportional to 212,035.20, 318,052.80 and 183,166.80

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Solution

The fourth proportional to 212,035.20, 318,052.80 and 183,166.80 is: 274,750.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,035.20 : 318,052.80 = 183,166.80 : x
  2. Step 2: Convert to fraction form
    212,035.20/318,052.80 = 183,166.80/x
  3. Step 3: Cross multiply
    212,035.20x = 318,052.80 × 183,166.80
  4. Step 4: Simplify right side
    212,035.20x = 58,256,713,607.04
  5. Step 5: Solve for x
    x = 58,256,713,607.04/212,035.20
  6. Step 6: Final answer
    x = 274,750.20

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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.