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Finding the Fourth Proportional to 510,179.60, 765,282 and 243,968.24

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Solution

The fourth proportional to 510,179.60, 765,282 and 243,968.24 is: 365,958.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,179.60 : 765,282 = 243,968.24 : x
  2. Step 2: Convert to fraction form
    510,179.60/765,282 = 243,968.24/x
  3. Step 3: Cross multiply
    510,179.60x = 765,282 × 243,968.24
  4. Step 4: Simplify right side
    510,179.60x = 186,704,502,643.68
  5. Step 5: Solve for x
    x = 186,704,502,643.68/510,179.60
  6. Step 6: Final answer
    x = 365,958.39

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1.5x scale

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.