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Finding the Fourth Proportional to 159,307.91, 239,002.86 and 46,983.59

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Solution

The fourth proportional to 159,307.91, 239,002.86 and 46,983.59 is: 70,487.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,307.91 : 239,002.86 = 46,983.59 : x
  2. Step 2: Convert to fraction form
    159,307.91/239,002.86 = 46,983.59/x
  3. Step 3: Cross multiply
    159,307.91x = 239,002.86 × 46,983.59
  4. Step 4: Simplify right side
    159,307.91x = 11,229,211,188.05
  5. Step 5: Solve for x
    x = 11,229,211,188.05/159,307.91
  6. Step 6: Final answer
    x = 70,487.47

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1.5x scale

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.