Finding the Fourth Proportional to 343,254.60, 514,979.10 and 106,621.20
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Solution
The fourth proportional to 343,254.60, 514,979.10 and 106,621.20 is: 159,961.99
Step by Step Solution
- Step 1: Write the proportion equation
343,254.60 : 514,979.10 = 106,621.20 : x - Step 2: Convert to fraction form
343,254.60/514,979.10 = 106,621.20/x - Step 3: Cross multiply
343,254.60x = 514,979.10 × 106,621.20 - Step 4: Simplify right side
343,254.60x = 54,907,689,616.92 - Step 5: Solve for x
x = 54,907,689,616.92/343,254.60 - Step 6: Final answer
x = 159,961.99
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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.