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Finding the Fourth Proportional to 222,543.36, 333,816.48 and 56,331.36

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Solution

The fourth proportional to 222,543.36, 333,816.48 and 56,331.36 is: 84,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,543.36 : 333,816.48 = 56,331.36 : x
  2. Step 2: Convert to fraction form
    222,543.36/333,816.48 = 56,331.36/x
  3. Step 3: Cross multiply
    222,543.36x = 333,816.48 × 56,331.36
  4. Step 4: Simplify right side
    222,543.36x = 18,804,336,308.81
  5. Step 5: Solve for x
    x = 18,804,336,308.81/222,543.36
  6. Step 6: Final answer
    x = 84,497.40

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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.