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Finding the Fourth Proportional to 334,662.36, 501,846.18 and 157,219.80

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Solution

The fourth proportional to 334,662.36, 501,846.18 and 157,219.80 is: 235,760.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,662.36 : 501,846.18 = 157,219.80 : x
  2. Step 2: Convert to fraction form
    334,662.36/501,846.18 = 157,219.80/x
  3. Step 3: Cross multiply
    334,662.36x = 501,846.18 × 157,219.80
  4. Step 4: Simplify right side
    334,662.36x = 78,900,156,050.36
  5. Step 5: Solve for x
    x = 78,900,156,050.36/334,662.36
  6. Step 6: Final answer
    x = 235,760.47

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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.