Home / 340,544.45-510,883.81-100,662.55

Finding the Fourth Proportional to 340,544.45, 510,883.81 and 100,662.55

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Solution

The fourth proportional to 340,544.45, 510,883.81 and 100,662.55 is: 151,013.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,544.45 : 510,883.81 = 100,662.55 : x
  2. Step 2: Convert to fraction form
    340,544.45/510,883.81 = 100,662.55/x
  3. Step 3: Cross multiply
    340,544.45x = 510,883.81 × 100,662.55
  4. Step 4: Simplify right side
    340,544.45x = 51,426,865,539.45
  5. Step 5: Solve for x
    x = 51,426,865,539.45/340,544.45
  6. Step 6: Final answer
    x = 151,013.66

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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.