Home / 307,215.40-461,030.64-107,537.44

Finding the Fourth Proportional to 307,215.40, 461,030.64 and 107,537.44

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Solution

The fourth proportional to 307,215.40, 461,030.64 and 107,537.44 is: 161,378.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,215.40 : 461,030.64 = 107,537.44 : x
  2. Step 2: Convert to fraction form
    307,215.40/461,030.64 = 107,537.44/x
  3. Step 3: Cross multiply
    307,215.40x = 461,030.64 × 107,537.44
  4. Step 4: Simplify right side
    307,215.40x = 49,578,054,787.16
  5. Step 5: Solve for x
    x = 49,578,054,787.16/307,215.40
  6. Step 6: Final answer
    x = 161,378.81

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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.