Finding the Fourth Proportional to 428,549.52, 591,403.68 and 247,299.06
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Solution
The fourth proportional to 428,549.52, 591,403.68 and 247,299.06 is: 341,275.79
Step by Step Solution
- Step 1: Write the proportion equation
428,549.52 : 591,403.68 = 247,299.06 : x - Step 2: Convert to fraction form
428,549.52/591,403.68 = 247,299.06/x - Step 3: Cross multiply
428,549.52x = 591,403.68 × 247,299.06 - Step 4: Simplify right side
428,549.52x = 146,253,574,144.54 - Step 5: Solve for x
x = 146,253,574,144.54/428,549.52 - Step 6: Final answer
x = 341,275.79
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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.