Home / 308,645.13-463,012.05-95,429.66

Finding the Fourth Proportional to 308,645.13, 463,012.05 and 95,429.66

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Solution

The fourth proportional to 308,645.13, 463,012.05 and 95,429.66 is: 143,158.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,645.13 : 463,012.05 = 95,429.66 : x
  2. Step 2: Convert to fraction form
    308,645.13/463,012.05 = 95,429.66/x
  3. Step 3: Cross multiply
    308,645.13x = 463,012.05 × 95,429.66
  4. Step 4: Simplify right side
    308,645.13x = 44,185,084,022.79
  5. Step 5: Solve for x
    x = 44,185,084,022.79/308,645.13
  6. Step 6: Final answer
    x = 143,158.21

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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.