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Finding the Fourth Proportional to 510,344.88, 765,627.95 and 155,349.62

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Solution

The fourth proportional to 510,344.88, 765,627.95 and 155,349.62 is: 233,058.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,344.88 : 765,627.95 = 155,349.62 : x
  2. Step 2: Convert to fraction form
    510,344.88/765,627.95 = 155,349.62/x
  3. Step 3: Cross multiply
    510,344.88x = 765,627.95 × 155,349.62
  4. Step 4: Simplify right side
    510,344.88x = 118,940,011,093.88
  5. Step 5: Solve for x
    x = 118,940,011,093.88/510,344.88
  6. Step 6: Final answer
    x = 233,058.11

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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.