Home / 340,276.30-510,414.44-103,619

Finding the Fourth Proportional to 340,276.30, 510,414.44 and 103,619

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Solution

The fourth proportional to 340,276.30, 510,414.44 and 103,619 is: 155,428.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,276.30 : 510,414.44 = 103,619 : x
  2. Step 2: Convert to fraction form
    340,276.30/510,414.44 = 103,619/x
  3. Step 3: Cross multiply
    340,276.30x = 510,414.44 × 103,619
  4. Step 4: Simplify right side
    340,276.30x = 52,888,633,858.36
  5. Step 5: Solve for x
    x = 52,888,633,858.36/340,276.30
  6. Step 6: Final answer
    x = 155,428.50

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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.