Finding the Fourth Proportional to 177,853.79, 266,780.68 and 71,286.05
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Solution
The fourth proportional to 177,853.79, 266,780.68 and 71,286.05 is: 106,929.07
Step by Step Solution
- Step 1: Write the proportion equation
177,853.79 : 266,780.68 = 71,286.05 : x - Step 2: Convert to fraction form
177,853.79/266,780.68 = 71,286.05/x - Step 3: Cross multiply
177,853.79x = 266,780.68 × 71,286.05 - Step 4: Simplify right side
177,853.79x = 19,017,739,381.40 - Step 5: Solve for x
x = 19,017,739,381.40/177,853.79 - Step 6: Final answer
x = 106,929.07
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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.