Finding the Fourth Proportional to 491,324.97, 736,979.19 and 221,302.92
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Solution
The fourth proportional to 491,324.97, 736,979.19 and 221,302.92 is: 331,950.66
Step by Step Solution
- Step 1: Write the proportion equation
491,324.97 : 736,979.19 = 221,302.92 : x - Step 2: Convert to fraction form
491,324.97/736,979.19 = 221,302.92/x - Step 3: Cross multiply
491,324.97x = 736,979.19 × 221,302.92 - Step 4: Simplify right side
491,324.97x = 163,095,646,726.24 - Step 5: Solve for x
x = 163,095,646,726.24/491,324.97 - Step 6: Final answer
x = 331,950.66
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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.