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Finding the Fourth Proportional to 517,435.99, 776,283.12 and 180,481.45

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Solution

The fourth proportional to 517,435.99, 776,283.12 and 180,481.45 is: 270,767.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,435.99 : 776,283.12 = 180,481.45 : x
  2. Step 2: Convert to fraction form
    517,435.99/776,283.12 = 180,481.45/x
  3. Step 3: Cross multiply
    517,435.99x = 776,283.12 × 180,481.45
  4. Step 4: Simplify right side
    517,435.99x = 140,104,703,108.12
  5. Step 5: Solve for x
    x = 140,104,703,108.12/517,435.99
  6. Step 6: Final answer
    x = 270,767.22

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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.