Finding the Fourth Proportional to 218,572.73, 327,830.38 and 68,813.80
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Solution
The fourth proportional to 218,572.73, 327,830.38 and 68,813.80 is: 103,211.66
Step by Step Solution
- Step 1: Write the proportion equation
218,572.73 : 327,830.38 = 68,813.80 : x - Step 2: Convert to fraction form
218,572.73/327,830.38 = 68,813.80/x - Step 3: Cross multiply
218,572.73x = 327,830.38 × 68,813.80 - Step 4: Simplify right side
218,572.73x = 22,559,254,203.24 - Step 5: Solve for x
x = 22,559,254,203.24/218,572.73 - Step 6: Final answer
x = 103,211.66
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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.