Finding the Fourth Proportional to 427,728.99, 590,397.42 and 246,562.03
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Solution
The fourth proportional to 427,728.99, 590,397.42 and 246,562.03 is: 340,331.35
Step by Step Solution
- Step 1: Write the proportion equation
427,728.99 : 590,397.42 = 246,562.03 : x - Step 2: Convert to fraction form
427,728.99/590,397.42 = 246,562.03/x - Step 3: Cross multiply
427,728.99x = 590,397.42 × 246,562.03 - Step 4: Simplify right side
427,728.99x = 145,569,586,381.96 - Step 5: Solve for x
x = 145,569,586,381.96/427,728.99 - Step 6: Final answer
x = 340,331.35
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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.