Finding the Fourth Proportional to 177,346.20, 266,213.70 and 98,419.80
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Solution
The fourth proportional to 177,346.20, 266,213.70 and 98,419.80 is: 147,737.58
Step by Step Solution
- Step 1: Write the proportion equation
177,346.20 : 266,213.70 = 98,419.80 : x - Step 2: Convert to fraction form
177,346.20/266,213.70 = 98,419.80/x - Step 3: Cross multiply
177,346.20x = 266,213.70 × 98,419.80 - Step 4: Simplify right side
177,346.20x = 26,200,699,111.26 - Step 5: Solve for x
x = 26,200,699,111.26/177,346.20 - Step 6: Final answer
x = 147,737.58
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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.