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Finding the Fourth Proportional to 510,832.88, 765,772.96 and 173,643.10

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Solution

The fourth proportional to 510,832.88, 765,772.96 and 173,643.10 is: 260,302.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,832.88 : 765,772.96 = 173,643.10 : x
  2. Step 2: Convert to fraction form
    510,832.88/765,772.96 = 173,643.10/x
  3. Step 3: Cross multiply
    510,832.88x = 765,772.96 × 173,643.10
  4. Step 4: Simplify right side
    510,832.88x = 132,971,190,670.58
  5. Step 5: Solve for x
    x = 132,971,190,670.58/510,832.88
  6. Step 6: Final answer
    x = 260,302.72

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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.