Finding the Fourth Proportional to 388,522.24, 536,229.12 and 370,792.96
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Solution
The fourth proportional to 388,522.24, 536,229.12 and 370,792.96 is: 511,759.59
Step by Step Solution
- Step 1: Write the proportion equation
388,522.24 : 536,229.12 = 370,792.96 : x - Step 2: Convert to fraction form
388,522.24/536,229.12 = 370,792.96/x - Step 3: Cross multiply
388,522.24x = 536,229.12 × 370,792.96 - Step 4: Simplify right side
388,522.24x = 198,829,982,643.00 - Step 5: Solve for x
x = 198,829,982,643.00/388,522.24 - Step 6: Final answer
x = 511,759.59
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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.