Home / 340,298.78-510,522.09-103,635.38

Finding the Fourth Proportional to 340,298.78, 510,522.09 and 103,635.38

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Solution

The fourth proportional to 340,298.78, 510,522.09 and 103,635.38 is: 155,475.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,298.78 : 510,522.09 = 103,635.38 : x
  2. Step 2: Convert to fraction form
    340,298.78/510,522.09 = 103,635.38/x
  3. Step 3: Cross multiply
    340,298.78x = 510,522.09 × 103,635.38
  4. Step 4: Simplify right side
    340,298.78x = 52,908,150,795.54
  5. Step 5: Solve for x
    x = 52,908,150,795.54/340,298.78
  6. Step 6: Final answer
    x = 155,475.58

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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.