Finding the Fourth Proportional to 354,885.40, 532,328.10 and 350,219.80
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Solution
The fourth proportional to 354,885.40, 532,328.10 and 350,219.80 is: 525,329.70
Step by Step Solution
- Step 1: Write the proportion equation
354,885.40 : 532,328.10 = 350,219.80 : x - Step 2: Convert to fraction form
354,885.40/532,328.10 = 350,219.80/x - Step 3: Cross multiply
354,885.40x = 532,328.10 × 350,219.80 - Step 4: Simplify right side
354,885.40x = 186,431,840,716.38 - Step 5: Solve for x
x = 186,431,840,716.38/354,885.40 - Step 6: Final answer
x = 525,329.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.