Finding the Fourth Proportional to 343,318.28, 514,876.62 and 132,905.96
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Solution
The fourth proportional to 343,318.28, 514,876.62 and 132,905.96 is: 199,319.92
Step by Step Solution
- Step 1: Write the proportion equation
343,318.28 : 514,876.62 = 132,905.96 : x - Step 2: Convert to fraction form
343,318.28/514,876.62 = 132,905.96/x - Step 3: Cross multiply
343,318.28x = 514,876.62 × 132,905.96 - Step 4: Simplify right side
343,318.28x = 68,430,171,462.66 - Step 5: Solve for x
x = 68,430,171,462.66/343,318.28 - Step 6: Final answer
x = 199,319.92
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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.