Finding the Fourth Proportional to 371,521.80, 512,671.68 and 218,566.08
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Solution
The fourth proportional to 371,521.80, 512,671.68 and 218,566.08 is: 301,604.48
Step by Step Solution
- Step 1: Write the proportion equation
371,521.80 : 512,671.68 = 218,566.08 : x - Step 2: Convert to fraction form
371,521.80/512,671.68 = 218,566.08/x - Step 3: Cross multiply
371,521.80x = 512,671.68 × 218,566.08 - Step 4: Simplify right side
371,521.80x = 112,052,639,424.61 - Step 5: Solve for x
x = 112,052,639,424.61/371,521.80 - Step 6: Final answer
x = 301,604.48
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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.