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Finding the Fourth Proportional to 239,466.36, 359,199.54 and 106,315.32

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Solution

The fourth proportional to 239,466.36, 359,199.54 and 106,315.32 is: 159,472.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,466.36 : 359,199.54 = 106,315.32 : x
  2. Step 2: Convert to fraction form
    239,466.36/359,199.54 = 106,315.32/x
  3. Step 3: Cross multiply
    239,466.36x = 359,199.54 × 106,315.32
  4. Step 4: Simplify right side
    239,466.36x = 38,188,414,038.95
  5. Step 5: Solve for x
    x = 38,188,414,038.95/239,466.36
  6. Step 6: Final answer
    x = 159,472.98

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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.