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Finding the Fourth Proportional to 329,839.48, 494,779.74 and 93,200.32

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Solution

The fourth proportional to 329,839.48, 494,779.74 and 93,200.32 is: 139,806.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,839.48 : 494,779.74 = 93,200.32 : x
  2. Step 2: Convert to fraction form
    329,839.48/494,779.74 = 93,200.32/x
  3. Step 3: Cross multiply
    329,839.48x = 494,779.74 × 93,200.32
  4. Step 4: Simplify right side
    329,839.48x = 46,113,630,097.52
  5. Step 5: Solve for x
    x = 46,113,630,097.52/329,839.48
  6. Step 6: Final answer
    x = 139,806.28

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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.