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Finding the Fourth Proportional to 510,181.10, 765,284.25 and 243,969.74

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Solution

The fourth proportional to 510,181.10, 765,284.25 and 243,969.74 is: 365,960.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,181.10 : 765,284.25 = 243,969.74 : x
  2. Step 2: Convert to fraction form
    510,181.10/765,284.25 = 243,969.74/x
  3. Step 3: Cross multiply
    510,181.10x = 765,284.25 × 243,969.74
  4. Step 4: Simplify right side
    510,181.10x = 186,706,199,498.60
  5. Step 5: Solve for x
    x = 186,706,199,498.60/510,181.10
  6. Step 6: Final answer
    x = 365,960.64

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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.