Home / 212,049.02-318,073.32-54,277.22

Finding the Fourth Proportional to 212,049.02, 318,073.32 and 54,277.22

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Solution

The fourth proportional to 212,049.02, 318,073.32 and 54,277.22 is: 81,415.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,049.02 : 318,073.32 = 54,277.22 : x
  2. Step 2: Convert to fraction form
    212,049.02/318,073.32 = 54,277.22/x
  3. Step 3: Cross multiply
    212,049.02x = 318,073.32 × 54,277.22
  4. Step 4: Simplify right side
    212,049.02x = 17,264,133,975.40
  5. Step 5: Solve for x
    x = 17,264,133,975.40/212,049.02
  6. Step 6: Final answer
    x = 81,415.77

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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.