Home / 343,127.31-514,724.23-106,406.43

Finding the Fourth Proportional to 343,127.31, 514,724.23 and 106,406.43

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Solution

The fourth proportional to 343,127.31, 514,724.23 and 106,406.43 is: 159,619.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,127.31 : 514,724.23 = 106,406.43 : x
  2. Step 2: Convert to fraction form
    343,127.31/514,724.23 = 106,406.43/x
  3. Step 3: Cross multiply
    343,127.31x = 514,724.23 × 106,406.43
  4. Step 4: Simplify right side
    343,127.31x = 54,769,967,216.77
  5. Step 5: Solve for x
    x = 54,769,967,216.77/343,127.31
  6. Step 6: Final answer
    x = 159,619.96

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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.