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Finding the Fourth Proportional to 325,294.40, 487,941.60 and 167,830.40

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Solution

The fourth proportional to 325,294.40, 487,941.60 and 167,830.40 is: 251,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,294.40 : 487,941.60 = 167,830.40 : x
  2. Step 2: Convert to fraction form
    325,294.40/487,941.60 = 167,830.40/x
  3. Step 3: Cross multiply
    325,294.40x = 487,941.60 × 167,830.40
  4. Step 4: Simplify right side
    325,294.40x = 81,891,433,904.64
  5. Step 5: Solve for x
    x = 81,891,433,904.64/325,294.40
  6. Step 6: Final answer
    x = 251,745.60

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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.