Finding the Fourth Proportional to 97,821.31, 146,747.36 and 38,657.29
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Solution
The fourth proportional to 97,821.31, 146,747.36 and 38,657.29 is: 57,992.02
Step by Step Solution
- Step 1: Write the proportion equation
97,821.31 : 146,747.36 = 38,657.29 : x - Step 2: Convert to fraction form
97,821.31/146,747.36 = 38,657.29/x - Step 3: Cross multiply
97,821.31x = 146,747.36 × 38,657.29 - Step 4: Simplify right side
97,821.31x = 5,672,855,252.25 - Step 5: Solve for x
x = 5,672,855,252.25/97,821.31 - Step 6: Final answer
x = 57,992.02
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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.