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Finding the Fourth Proportional to 350,106.46, 483,352.82 and 329,928.31

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Solution

The fourth proportional to 350,106.46, 483,352.82 and 329,928.31 is: 455,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,106.46 : 483,352.82 = 329,928.31 : x
  2. Step 2: Convert to fraction form
    350,106.46/483,352.82 = 329,928.31/x
  3. Step 3: Cross multiply
    350,106.46x = 483,352.82 × 329,928.31
  4. Step 4: Simplify right side
    350,106.46x = 159,471,780,587.55
  5. Step 5: Solve for x
    x = 159,471,780,587.55/350,106.46
  6. Step 6: Final answer
    x = 455,495.10

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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.