Home / 340,281.88-510,383.94-90,983.32

Finding the Fourth Proportional to 340,281.88, 510,383.94 and 90,983.32

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Solution

The fourth proportional to 340,281.88, 510,383.94 and 90,983.32 is: 136,464.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,281.88 : 510,383.94 = 90,983.32 : x
  2. Step 2: Convert to fraction form
    340,281.88/510,383.94 = 90,983.32/x
  3. Step 3: Cross multiply
    340,281.88x = 510,383.94 × 90,983.32
  4. Step 4: Simplify right side
    340,281.88x = 46,436,423,718.73
  5. Step 5: Solve for x
    x = 46,436,423,718.73/340,281.88
  6. Step 6: Final answer
    x = 136,464.58

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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.