Finding the Fourth Proportional to 403,382.40, 604,262.24 and 186,937.97
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Solution
The fourth proportional to 403,382.40, 604,262.24 and 186,937.97 is: 280,030.95
Step by Step Solution
- Step 1: Write the proportion equation
403,382.40 : 604,262.24 = 186,937.97 : x - Step 2: Convert to fraction form
403,382.40/604,262.24 = 186,937.97/x - Step 3: Cross multiply
403,382.40x = 604,262.24 × 186,937.97 - Step 4: Simplify right side
403,382.40x = 112,959,556,493.25 - Step 5: Solve for x
x = 112,959,556,493.25/403,382.40 - Step 6: Final answer
x = 280,030.95
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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.