Finding the Fourth Proportional to 327,690.48, 491,545.44 and 128,002.80
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Solution
The fourth proportional to 327,690.48, 491,545.44 and 128,002.80 is: 192,008.00
Step by Step Solution
- Step 1: Write the proportion equation
327,690.48 : 491,545.44 = 128,002.80 : x - Step 2: Convert to fraction form
327,690.48/491,545.44 = 128,002.80/x - Step 3: Cross multiply
327,690.48x = 491,545.44 × 128,002.80 - Step 4: Simplify right side
327,690.48x = 62,919,192,647.23 - Step 5: Solve for x
x = 62,919,192,647.23/327,690.48 - Step 6: Final answer
x = 192,008.00
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1.5x scale
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.