Finding the Fourth Proportional to 248,521.20, 372,490.20 and 106,366.20
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Solution
The fourth proportional to 248,521.20, 372,490.20 and 106,366.20 is: 159,424.50
Step by Step Solution
- Step 1: Write the proportion equation
248,521.20 : 372,490.20 = 106,366.20 : x - Step 2: Convert to fraction form
248,521.20/372,490.20 = 106,366.20/x - Step 3: Cross multiply
248,521.20x = 372,490.20 × 106,366.20 - Step 4: Simplify right side
248,521.20x = 39,620,367,111.24 - Step 5: Solve for x
x = 39,620,367,111.24/248,521.20 - Step 6: Final answer
x = 159,424.50
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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.