Finding the Fourth Proportional to 371,252.44, 512,328.72 and 201,486.61
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Solution
The fourth proportional to 371,252.44, 512,328.72 and 201,486.61 is: 278,051.71
Step by Step Solution
- Step 1: Write the proportion equation
371,252.44 : 512,328.72 = 201,486.61 : x - Step 2: Convert to fraction form
371,252.44/512,328.72 = 201,486.61/x - Step 3: Cross multiply
371,252.44x = 512,328.72 × 201,486.61 - Step 4: Simplify right side
371,252.44x = 103,227,376,998.44 - Step 5: Solve for x
x = 103,227,376,998.44/371,252.44 - Step 6: Final answer
x = 278,051.71
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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.