Finding the Fourth Proportional to 428,552.85, 591,363.15 and 237,549.99
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Solution
The fourth proportional to 428,552.85, 591,363.15 and 237,549.99 is: 327,796.93
Step by Step Solution
- Step 1: Write the proportion equation
428,552.85 : 591,363.15 = 237,549.99 : x - Step 2: Convert to fraction form
428,552.85/591,363.15 = 237,549.99/x - Step 3: Cross multiply
428,552.85x = 591,363.15 × 237,549.99 - Step 4: Simplify right side
428,552.85x = 140,478,310,368.87 - Step 5: Solve for x
x = 140,478,310,368.87/428,552.85 - Step 6: Final answer
x = 327,796.93
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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.