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Finding the Fourth Proportional to 599,679.78, 899,518.86 and 156,447.78

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Solution

The fourth proportional to 599,679.78, 899,518.86 and 156,447.78 is: 234,671.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,679.78 : 899,518.86 = 156,447.78 : x
  2. Step 2: Convert to fraction form
    599,679.78/899,518.86 = 156,447.78/x
  3. Step 3: Cross multiply
    599,679.78x = 899,518.86 × 156,447.78
  4. Step 4: Simplify right side
    599,679.78x = 140,727,728,715.13
  5. Step 5: Solve for x
    x = 140,727,728,715.13/599,679.78
  6. Step 6: Final answer
    x = 234,671.46

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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.