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Finding the Fourth Proportional to 340,550.44, 510,824.16 and 103,892.32

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Solution

The fourth proportional to 340,550.44, 510,824.16 and 103,892.32 is: 155,838.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,550.44 : 510,824.16 = 103,892.32 : x
  2. Step 2: Convert to fraction form
    340,550.44/510,824.16 = 103,892.32/x
  3. Step 3: Cross multiply
    340,550.44x = 510,824.16 × 103,892.32
  4. Step 4: Simplify right side
    340,550.44x = 53,070,707,094.45
  5. Step 5: Solve for x
    x = 53,070,707,094.45/340,550.44
  6. Step 6: Final answer
    x = 155,838.02

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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.