Finding the Fourth Proportional to 514,721.05, 771,346.19 and 226,187.40
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Solution
The fourth proportional to 514,721.05, 771,346.19 and 226,187.40 is: 338,957.95
Step by Step Solution
- Step 1: Write the proportion equation
514,721.05 : 771,346.19 = 226,187.40 : x - Step 2: Convert to fraction form
514,721.05/771,346.19 = 226,187.40/x - Step 3: Cross multiply
514,721.05x = 771,346.19 × 226,187.40 - Step 4: Simplify right side
514,721.05x = 174,468,792,674.02 - Step 5: Solve for x
x = 174,468,792,674.02/514,721.05 - Step 6: Final answer
x = 338,957.95
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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.