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Finding the Fourth Proportional to 222,302.77, 333,468.97 and 78,191.28

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Solution

The fourth proportional to 222,302.77, 333,468.97 and 78,191.28 is: 117,292.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,302.77 : 333,468.97 = 78,191.28 : x
  2. Step 2: Convert to fraction form
    222,302.77/333,468.97 = 78,191.28/x
  3. Step 3: Cross multiply
    222,302.77x = 333,468.97 × 78,191.28
  4. Step 4: Simplify right side
    222,302.77x = 26,074,365,409.10
  5. Step 5: Solve for x
    x = 26,074,365,409.10/222,302.77
  6. Step 6: Final answer
    x = 117,292.13

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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.