Home / 438,684.16-605,372.98-245,093.35

Finding the Fourth Proportional to 438,684.16, 605,372.98 and 245,093.35

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Solution

The fourth proportional to 438,684.16, 605,372.98 and 245,093.35 is: 338,222.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,684.16 : 605,372.98 = 245,093.35 : x
  2. Step 2: Convert to fraction form
    438,684.16/605,372.98 = 245,093.35/x
  3. Step 3: Cross multiply
    438,684.16x = 605,372.98 × 245,093.35
  4. Step 4: Simplify right side
    438,684.16x = 148,372,890,442.22
  5. Step 5: Solve for x
    x = 148,372,890,442.22/438,684.16
  6. Step 6: Final answer
    x = 338,222.58

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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.