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Finding the Fourth Proportional to 222,352.72, 333,547.45 and 72,589.70

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Solution

The fourth proportional to 222,352.72, 333,547.45 and 72,589.70 is: 108,890.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,352.72 : 333,547.45 = 72,589.70 : x
  2. Step 2: Convert to fraction form
    222,352.72/333,547.45 = 72,589.70/x
  3. Step 3: Cross multiply
    222,352.72x = 333,547.45 × 72,589.70
  4. Step 4: Simplify right side
    222,352.72x = 24,212,109,983.66
  5. Step 5: Solve for x
    x = 24,212,109,983.66/222,352.72
  6. Step 6: Final answer
    x = 108,890.55

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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.