Finding the Fourth Proportional to 177,177.79, 265,721.32 and 52,489.63
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Solution
The fourth proportional to 177,177.79, 265,721.32 and 52,489.63 is: 78,721.00
Step by Step Solution
- Step 1: Write the proportion equation
177,177.79 : 265,721.32 = 52,489.63 : x - Step 2: Convert to fraction form
177,177.79/265,721.32 = 52,489.63/x - Step 3: Cross multiply
177,177.79x = 265,721.32 × 52,489.63 - Step 4: Simplify right side
177,177.79x = 13,947,612,310.08 - Step 5: Solve for x
x = 13,947,612,310.08/177,177.79 - Step 6: Final answer
x = 78,721.00
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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.