Home / 383,146.83-528,759.03-213,380.96

Finding the Fourth Proportional to 383,146.83, 528,759.03 and 213,380.96

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Solution

The fourth proportional to 383,146.83, 528,759.03 and 213,380.96 is: 294,474.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,146.83 : 528,759.03 = 213,380.96 : x
  2. Step 2: Convert to fraction form
    383,146.83/528,759.03 = 213,380.96/x
  3. Step 3: Cross multiply
    383,146.83x = 528,759.03 × 213,380.96
  4. Step 4: Simplify right side
    383,146.83x = 112,827,106,386.18
  5. Step 5: Solve for x
    x = 112,827,106,386.18/383,146.83
  6. Step 6: Final answer
    x = 294,474.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.