Home / 307,977.62-461,979.39-105,713.06

Finding the Fourth Proportional to 307,977.62, 461,979.39 and 105,713.06

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Solution

The fourth proportional to 307,977.62, 461,979.39 and 105,713.06 is: 158,574.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,977.62 : 461,979.39 = 105,713.06 : x
  2. Step 2: Convert to fraction form
    307,977.62/461,979.39 = 105,713.06/x
  3. Step 3: Cross multiply
    307,977.62x = 461,979.39 × 105,713.06
  4. Step 4: Simplify right side
    307,977.62x = 48,837,254,973.83
  5. Step 5: Solve for x
    x = 48,837,254,973.83/307,977.62
  6. Step 6: Final answer
    x = 158,574.04

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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.