Finding the Fourth Proportional to 343,234.60, 514,949.10 and 106,601.20
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Solution
The fourth proportional to 343,234.60, 514,949.10 and 106,601.20 is: 159,931.99
Step by Step Solution
- Step 1: Write the proportion equation
343,234.60 : 514,949.10 = 106,601.20 : x - Step 2: Convert to fraction form
343,234.60/514,949.10 = 106,601.20/x - Step 3: Cross multiply
343,234.60x = 514,949.10 × 106,601.20 - Step 4: Simplify right side
343,234.60x = 54,894,191,998.92 - Step 5: Solve for x
x = 54,894,191,998.92/343,234.60 - Step 6: Final answer
x = 159,931.99
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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.