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Finding the Fourth Proportional to 510,227.40, 765,451.80 and 155,232.19

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Solution

The fourth proportional to 510,227.40, 765,451.80 and 155,232.19 is: 232,881.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,227.40 : 765,451.80 = 155,232.19 : x
  2. Step 2: Convert to fraction form
    510,227.40/765,451.80 = 155,232.19/x
  3. Step 3: Cross multiply
    510,227.40x = 765,451.80 × 155,232.19
  4. Step 4: Simplify right side
    510,227.40x = 118,822,757,339.81
  5. Step 5: Solve for x
    x = 118,822,757,339.81/510,227.40
  6. Step 6: Final answer
    x = 232,881.96

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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.