Finding the Fourth Proportional to 177,121.87, 265,634.16 and 105,988.48
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Solution
The fourth proportional to 177,121.87, 265,634.16 and 105,988.48 is: 158,953.61
Step by Step Solution
- Step 1: Write the proportion equation
177,121.87 : 265,634.16 = 105,988.48 : x - Step 2: Convert to fraction form
177,121.87/265,634.16 = 105,988.48/x - Step 3: Cross multiply
177,121.87x = 265,634.16 × 105,988.48 - Step 4: Simplify right side
177,121.87x = 28,154,160,854.48 - Step 5: Solve for x
x = 28,154,160,854.48/177,121.87 - Step 6: Final answer
x = 158,953.61
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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.