Home / 308,117.10-462,175.65-108,435.90

Finding the Fourth Proportional to 308,117.10, 462,175.65 and 108,435.90

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Solution

The fourth proportional to 308,117.10, 462,175.65 and 108,435.90 is: 162,653.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,117.10 : 462,175.65 = 108,435.90 : x
  2. Step 2: Convert to fraction form
    308,117.10/462,175.65 = 108,435.90/x
  3. Step 3: Cross multiply
    308,117.10x = 462,175.65 × 108,435.90
  4. Step 4: Simplify right side
    308,117.10x = 50,116,432,565.84
  5. Step 5: Solve for x
    x = 50,116,432,565.84/308,117.10
  6. Step 6: Final answer
    x = 162,653.85

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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.