Finding the Fourth Proportional to 340,688.48, 510,876.99 and 127,299.92
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Solution
The fourth proportional to 340,688.48, 510,876.99 and 127,299.92 is: 190,891.69
Step by Step Solution
- Step 1: Write the proportion equation
340,688.48 : 510,876.99 = 127,299.92 : x - Step 2: Convert to fraction form
340,688.48/510,876.99 = 127,299.92/x - Step 3: Cross multiply
340,688.48x = 510,876.99 × 127,299.92 - Step 4: Simplify right side
340,688.48x = 65,034,597,402.46 - Step 5: Solve for x
x = 65,034,597,402.46/340,688.48 - Step 6: Final answer
x = 190,891.69
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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.