Finding the Fourth Proportional to 328,369.76, 452,869.97 and 226,557.62
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Solution
The fourth proportional to 328,369.76, 452,869.97 and 226,557.62 is: 312,456.12
Step by Step Solution
- Step 1: Write the proportion equation
328,369.76 : 452,869.97 = 226,557.62 : x - Step 2: Convert to fraction form
328,369.76/452,869.97 = 226,557.62/x - Step 3: Cross multiply
328,369.76x = 452,869.97 × 226,557.62 - Step 4: Simplify right side
328,369.76x = 102,601,142,572.67 - Step 5: Solve for x
x = 102,601,142,572.67/328,369.76 - Step 6: Final answer
x = 312,456.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.