Home / 216,530.02-324,787.74-76,285

Finding the Fourth Proportional to 216,530.02, 324,787.74 and 76,285

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Solution

The fourth proportional to 216,530.02, 324,787.74 and 76,285 is: 114,424.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,530.02 : 324,787.74 = 76,285 : x
  2. Step 2: Convert to fraction form
    216,530.02/324,787.74 = 76,285/x
  3. Step 3: Cross multiply
    216,530.02x = 324,787.74 × 76,285
  4. Step 4: Simplify right side
    216,530.02x = 24,776,432,745.90
  5. Step 5: Solve for x
    x = 24,776,432,745.90/216,530.02
  6. Step 6: Final answer
    x = 114,424.93

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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.