Finding the Fourth Proportional to 177,927.10, 266,987.85 and 72,756.70
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Solution
The fourth proportional to 177,927.10, 266,987.85 and 72,756.70 is: 109,174.80
Step by Step Solution
- Step 1: Write the proportion equation
177,927.10 : 266,987.85 = 72,756.70 : x - Step 2: Convert to fraction form
177,927.10/266,987.85 = 72,756.70/x - Step 3: Cross multiply
177,927.10x = 266,987.85 × 72,756.70 - Step 4: Simplify right side
177,927.10x = 19,425,154,906.10 - Step 5: Solve for x
x = 19,425,154,906.10/177,927.10 - Step 6: Final answer
x = 109,174.80
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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.