Finding the Fourth Proportional to 616,821.32, 850,885.08 and 375,177.80
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Solution
The fourth proportional to 616,821.32, 850,885.08 and 375,177.80 is: 517,545.65
Step by Step Solution
- Step 1: Write the proportion equation
616,821.32 : 850,885.08 = 375,177.80 : x - Step 2: Convert to fraction form
616,821.32/850,885.08 = 375,177.80/x - Step 3: Cross multiply
616,821.32x = 850,885.08 × 375,177.80 - Step 4: Simplify right side
616,821.32x = 319,233,192,367.22 - Step 5: Solve for x
x = 319,233,192,367.22/616,821.32 - Step 6: Final answer
x = 517,545.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.