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Finding the Fourth Proportional to 222,298.04, 333,509.49 and 89,271.71

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Solution

The fourth proportional to 222,298.04, 333,509.49 and 89,271.71 is: 133,932.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,298.04 : 333,509.49 = 89,271.71 : x
  2. Step 2: Convert to fraction form
    222,298.04/333,509.49 = 89,271.71/x
  3. Step 3: Cross multiply
    222,298.04x = 333,509.49 × 89,271.71
  4. Step 4: Simplify right side
    222,298.04x = 29,772,960,805.98
  5. Step 5: Solve for x
    x = 29,772,960,805.98/222,298.04
  6. Step 6: Final answer
    x = 133,932.63

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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.