Finding the Fourth Proportional to 370,344.66, 511,074.05 and 207,000.95
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Solution
The fourth proportional to 370,344.66, 511,074.05 and 207,000.95 is: 285,660.42
Step by Step Solution
- Step 1: Write the proportion equation
370,344.66 : 511,074.05 = 207,000.95 : x - Step 2: Convert to fraction form
370,344.66/511,074.05 = 207,000.95/x - Step 3: Cross multiply
370,344.66x = 511,074.05 × 207,000.95 - Step 4: Simplify right side
370,344.66x = 105,792,811,056.23 - Step 5: Solve for x
x = 105,792,811,056.23/370,344.66 - Step 6: Final answer
x = 285,660.42
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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.