Finding the Fourth Proportional to 340,943.68, 511,472.88 and 104,230.96
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Solution
The fourth proportional to 340,943.68, 511,472.88 and 104,230.96 is: 156,363.98
Step by Step Solution
- Step 1: Write the proportion equation
340,943.68 : 511,472.88 = 104,230.96 : x - Step 2: Convert to fraction form
340,943.68/511,472.88 = 104,230.96/x - Step 3: Cross multiply
340,943.68x = 511,472.88 × 104,230.96 - Step 4: Simplify right side
340,943.68x = 53,311,309,296.36 - Step 5: Solve for x
x = 53,311,309,296.36/340,943.68 - Step 6: Final answer
x = 156,363.98
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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.