Finding the Fourth Proportional to 167,381.80, 251,331.90 and 97,397.80
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Solution
The fourth proportional to 167,381.80, 251,331.90 and 97,397.80 is: 146,247.53
Step by Step Solution
- Step 1: Write the proportion equation
167,381.80 : 251,331.90 = 97,397.80 : x - Step 2: Convert to fraction form
167,381.80/251,331.90 = 97,397.80/x - Step 3: Cross multiply
167,381.80x = 251,331.90 × 97,397.80 - Step 4: Simplify right side
167,381.80x = 24,479,174,129.82 - Step 5: Solve for x
x = 24,479,174,129.82/167,381.80 - Step 6: Final answer
x = 146,247.53
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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.