Home / 307,719.36-461,773.44-120,726.72

Finding the Fourth Proportional to 307,719.36, 461,773.44 and 120,726.72

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Solution

The fourth proportional to 307,719.36, 461,773.44 and 120,726.72 is: 181,166.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,719.36 : 461,773.44 = 120,726.72 : x
  2. Step 2: Convert to fraction form
    307,719.36/461,773.44 = 120,726.72/x
  3. Step 3: Cross multiply
    307,719.36x = 461,773.44 × 120,726.72
  4. Step 4: Simplify right side
    307,719.36x = 55,748,392,794.32
  5. Step 5: Solve for x
    x = 55,748,392,794.32/307,719.36
  6. Step 6: Final answer
    x = 181,166.35

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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.