Finding the Fourth Proportional to 343,129.80, 514,694.70 and 93,811.80
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Solution
The fourth proportional to 343,129.80, 514,694.70 and 93,811.80 is: 140,717.70
Step by Step Solution
- Step 1: Write the proportion equation
343,129.80 : 514,694.70 = 93,811.80 : x - Step 2: Convert to fraction form
343,129.80/514,694.70 = 93,811.80/x - Step 3: Cross multiply
343,129.80x = 514,694.70 × 93,811.80 - Step 4: Simplify right side
343,129.80x = 48,284,436,257.46 - Step 5: Solve for x
x = 48,284,436,257.46/343,129.80 - Step 6: Final answer
x = 140,717.70
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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.