Finding the Fourth Proportional to 422,801.14, 633,536.52 and 326,972.94
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Solution
The fourth proportional to 422,801.14, 633,536.52 and 326,972.94 is: 489,944.98
Step by Step Solution
- Step 1: Write the proportion equation
422,801.14 : 633,536.52 = 326,972.94 : x - Step 2: Convert to fraction form
422,801.14/633,536.52 = 326,972.94/x - Step 3: Cross multiply
422,801.14x = 633,536.52 × 326,972.94 - Step 4: Simplify right side
422,801.14x = 207,149,295,374.09 - Step 5: Solve for x
x = 207,149,295,374.09/422,801.14 - Step 6: Final answer
x = 489,944.98
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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.