Finding the Fourth Proportional to 115,347.14, 173,019.68 and 36,461.42
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Solution
The fourth proportional to 115,347.14, 173,019.68 and 36,461.42 is: 54,691.80
Step by Step Solution
- Step 1: Write the proportion equation
115,347.14 : 173,019.68 = 36,461.42 : x - Step 2: Convert to fraction form
115,347.14/173,019.68 = 36,461.42/x - Step 3: Cross multiply
115,347.14x = 173,019.68 × 36,461.42 - Step 4: Simplify right side
115,347.14x = 6,308,543,038.44 - Step 5: Solve for x
x = 6,308,543,038.44/115,347.14 - Step 6: Final answer
x = 54,691.80
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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.