Home / 231,956.18-320,280.46-178,155.98

Finding the Fourth Proportional to 231,956.18, 320,280.46 and 178,155.98

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Solution

The fourth proportional to 231,956.18, 320,280.46 and 178,155.98 is: 245,994.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,956.18 : 320,280.46 = 178,155.98 : x
  2. Step 2: Convert to fraction form
    231,956.18/320,280.46 = 178,155.98/x
  3. Step 3: Cross multiply
    231,956.18x = 320,280.46 × 178,155.98
  4. Step 4: Simplify right side
    231,956.18x = 57,059,879,226.15
  5. Step 5: Solve for x
    x = 57,059,879,226.15/231,956.18
  6. Step 6: Final answer
    x = 245,994.22

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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.