Finding the Fourth Proportional to 369,121.24, 509,381.22 and 207,992.80
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Solution
The fourth proportional to 369,121.24, 509,381.22 and 207,992.80 is: 287,026.63
Step by Step Solution
- Step 1: Write the proportion equation
369,121.24 : 509,381.22 = 207,992.80 : x - Step 2: Convert to fraction form
369,121.24/509,381.22 = 207,992.80/x - Step 3: Cross multiply
369,121.24x = 509,381.22 × 207,992.80 - Step 4: Simplify right side
369,121.24x = 105,947,626,215.22 - Step 5: Solve for x
x = 105,947,626,215.22/369,121.24 - Step 6: Final answer
x = 287,026.63
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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.