Home / 382,858.56-528,344.76-213,089.04

Finding the Fourth Proportional to 382,858.56, 528,344.76 and 213,089.04

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Solution

The fourth proportional to 382,858.56, 528,344.76 and 213,089.04 is: 294,062.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,858.56 : 528,344.76 = 213,089.04 : x
  2. Step 2: Convert to fraction form
    382,858.56/528,344.76 = 213,089.04/x
  3. Step 3: Cross multiply
    382,858.56x = 528,344.76 × 213,089.04
  4. Step 4: Simplify right side
    382,858.56x = 112,584,477,697.43
  5. Step 5: Solve for x
    x = 112,584,477,697.43/382,858.56
  6. Step 6: Final answer
    x = 294,062.85

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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.