Finding the Fourth Proportional to 107,214.84, 160,652.79 and 39,654.09
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Solution
The fourth proportional to 107,214.84, 160,652.79 and 39,654.09 is: 59,418.46
Step by Step Solution
- Step 1: Write the proportion equation
107,214.84 : 160,652.79 = 39,654.09 : x - Step 2: Convert to fraction form
107,214.84/160,652.79 = 39,654.09/x - Step 3: Cross multiply
107,214.84x = 160,652.79 × 39,654.09 - Step 4: Simplify right side
107,214.84x = 6,370,540,193.41 - Step 5: Solve for x
x = 6,370,540,193.41/107,214.84 - Step 6: Final answer
x = 59,418.46
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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.