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Finding the Fourth Proportional to 422,073.37, 633,111.55 and 102,225.45

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Solution

The fourth proportional to 422,073.37, 633,111.55 and 102,225.45 is: 153,338.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,073.37 : 633,111.55 = 102,225.45 : x
  2. Step 2: Convert to fraction form
    422,073.37/633,111.55 = 102,225.45/x
  3. Step 3: Cross multiply
    422,073.37x = 633,111.55 × 102,225.45
  4. Step 4: Simplify right side
    422,073.37x = 64,720,113,436.93
  5. Step 5: Solve for x
    x = 64,720,113,436.93/422,073.37
  6. Step 6: Final answer
    x = 153,338.54

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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.