Home / 311,823.92-430,317.05-168,583.93

Finding the Fourth Proportional to 311,823.92, 430,317.05 and 168,583.93

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Solution

The fourth proportional to 311,823.92, 430,317.05 and 168,583.93 is: 232,645.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,823.92 : 430,317.05 = 168,583.93 : x
  2. Step 2: Convert to fraction form
    311,823.92/430,317.05 = 168,583.93/x
  3. Step 3: Cross multiply
    311,823.92x = 430,317.05 × 168,583.93
  4. Step 4: Simplify right side
    311,823.92x = 72,544,539,435.01
  5. Step 5: Solve for x
    x = 72,544,539,435.01/311,823.92
  6. Step 6: Final answer
    x = 232,645.85

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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.