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Finding the Fourth Proportional to 222,368.72, 333,615.42 and 89,342.37

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Solution

The fourth proportional to 222,368.72, 333,615.42 and 89,342.37 is: 134,038.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,368.72 : 333,615.42 = 89,342.37 : x
  2. Step 2: Convert to fraction form
    222,368.72/333,615.42 = 89,342.37/x
  3. Step 3: Cross multiply
    222,368.72x = 333,615.42 × 89,342.37
  4. Step 4: Simplify right side
    222,368.72x = 29,805,992,291.35
  5. Step 5: Solve for x
    x = 29,805,992,291.35/222,368.72
  6. Step 6: Final answer
    x = 134,038.60

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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.