Finding the Fourth Proportional to 177,840.14, 245,350.67 and 109,738.79
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Solution
The fourth proportional to 177,840.14, 245,350.67 and 109,738.79 is: 151,397.12
Step by Step Solution
- Step 1: Write the proportion equation
177,840.14 : 245,350.67 = 109,738.79 : x - Step 2: Convert to fraction form
177,840.14/245,350.67 = 109,738.79/x - Step 3: Cross multiply
177,840.14x = 245,350.67 × 109,738.79 - Step 4: Simplify right side
177,840.14x = 26,924,483,876.04 - Step 5: Solve for x
x = 26,924,483,876.04/177,840.14 - Step 6: Final answer
x = 151,397.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.