Finding the Fourth Proportional to 257,518.44, 385,227.09 and 207,654.84
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Solution
The fourth proportional to 257,518.44, 385,227.09 and 207,654.84 is: 310,635.11
Step by Step Solution
- Step 1: Write the proportion equation
257,518.44 : 385,227.09 = 207,654.84 : x - Step 2: Convert to fraction form
257,518.44/385,227.09 = 207,654.84/x - Step 3: Cross multiply
257,518.44x = 385,227.09 × 207,654.84 - Step 4: Simplify right side
257,518.44x = 79,994,269,737.62 - Step 5: Solve for x
x = 79,994,269,737.62/257,518.44 - Step 6: Final answer
x = 310,635.11
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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.