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Finding the Fourth Proportional to 352,842.66, 528,747.30 and 174,994.47

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Solution

The fourth proportional to 352,842.66, 528,747.30 and 174,994.47 is: 262,235.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,842.66 : 528,747.30 = 174,994.47 : x
  2. Step 2: Convert to fraction form
    352,842.66/528,747.30 = 174,994.47/x
  3. Step 3: Cross multiply
    352,842.66x = 528,747.30 × 174,994.47
  4. Step 4: Simplify right side
    352,842.66x = 92,527,853,527.43
  5. Step 5: Solve for x
    x = 92,527,853,527.43/352,842.66
  6. Step 6: Final answer
    x = 262,235.45

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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.