Finding the Fourth Proportional to 209,805.48, 314,785.98 and 97,545.96
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Solution
The fourth proportional to 209,805.48, 314,785.98 and 97,545.96 is: 146,355.09
Step by Step Solution
- Step 1: Write the proportion equation
209,805.48 : 314,785.98 = 97,545.96 : x - Step 2: Convert to fraction form
209,805.48/314,785.98 = 97,545.96/x - Step 3: Cross multiply
209,805.48x = 314,785.98 × 97,545.96 - Step 4: Simplify right side
209,805.48x = 30,706,100,613.64 - Step 5: Solve for x
x = 30,706,100,613.64/209,805.48 - Step 6: Final answer
x = 146,355.09
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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.