Finding the Fourth Proportional to 415,808.94, 573,815.96 and 224,821.88
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Solution
The fourth proportional to 415,808.94, 573,815.96 and 224,821.88 is: 310,253.99
Step by Step Solution
- Step 1: Write the proportion equation
415,808.94 : 573,815.96 = 224,821.88 : x - Step 2: Convert to fraction form
415,808.94/573,815.96 = 224,821.88/x - Step 3: Cross multiply
415,808.94x = 573,815.96 × 224,821.88 - Step 4: Simplify right side
415,808.94x = 129,006,382,901.21 - Step 5: Solve for x
x = 129,006,382,901.21/415,808.94 - Step 6: Final answer
x = 310,253.99
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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.