Home / 340,282.44-510,384.78-90,983.88

Finding the Fourth Proportional to 340,282.44, 510,384.78 and 90,983.88

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Solution

The fourth proportional to 340,282.44, 510,384.78 and 90,983.88 is: 136,465.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,282.44 : 510,384.78 = 90,983.88 : x
  2. Step 2: Convert to fraction form
    340,282.44/510,384.78 = 90,983.88/x
  3. Step 3: Cross multiply
    340,282.44x = 510,384.78 × 90,983.88
  4. Step 4: Simplify right side
    340,282.44x = 46,436,787,577.35
  5. Step 5: Solve for x
    x = 46,436,787,577.35/340,282.44
  6. Step 6: Final answer
    x = 136,465.42

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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.