Finding the Fourth Proportional to 167,397.73, 230,982.91 and 107,021.95
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Solution
The fourth proportional to 167,397.73, 230,982.91 and 107,021.95 is: 147,673.70
Step by Step Solution
- Step 1: Write the proportion equation
167,397.73 : 230,982.91 = 107,021.95 : x - Step 2: Convert to fraction form
167,397.73/230,982.91 = 107,021.95/x - Step 3: Cross multiply
167,397.73x = 230,982.91 × 107,021.95 - Step 4: Simplify right side
167,397.73x = 24,720,241,444.87 - Step 5: Solve for x
x = 24,720,241,444.87/167,397.73 - Step 6: Final answer
x = 147,673.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.