Finding the Fourth Proportional to 177,952.60, 266,540.10 and 138,197.80
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Solution
The fourth proportional to 177,952.60, 266,540.10 and 138,197.80 is: 206,994.76
Step by Step Solution
- Step 1: Write the proportion equation
177,952.60 : 266,540.10 = 138,197.80 : x - Step 2: Convert to fraction form
177,952.60/266,540.10 = 138,197.80/x - Step 3: Cross multiply
177,952.60x = 266,540.10 × 138,197.80 - Step 4: Simplify right side
177,952.60x = 36,835,255,431.78 - Step 5: Solve for x
x = 36,835,255,431.78/177,952.60 - Step 6: Final answer
x = 206,994.76
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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.