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Finding the Fourth Proportional to 222,315.84, 333,536.04 and 89,289.48

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Solution

The fourth proportional to 222,315.84, 333,536.04 and 89,289.48 is: 133,959.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,315.84 : 333,536.04 = 89,289.48 : x
  2. Step 2: Convert to fraction form
    222,315.84/333,536.04 = 89,289.48/x
  3. Step 3: Cross multiply
    222,315.84x = 333,536.04 × 89,289.48
  4. Step 4: Simplify right side
    222,315.84x = 29,781,259,572.86
  5. Step 5: Solve for x
    x = 29,781,259,572.86/222,315.84
  6. Step 6: Final answer
    x = 133,959.23

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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.