Finding the Fourth Proportional to 202,859.20, 304,474.80 and 103,088.80
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Solution
The fourth proportional to 202,859.20, 304,474.80 and 103,088.80 is: 154,727.72
Step by Step Solution
- Step 1: Write the proportion equation
202,859.20 : 304,474.80 = 103,088.80 : x - Step 2: Convert to fraction form
202,859.20/304,474.80 = 103,088.80/x - Step 3: Cross multiply
202,859.20x = 304,474.80 × 103,088.80 - Step 4: Simplify right side
202,859.20x = 31,387,941,762.24 - Step 5: Solve for x
x = 31,387,941,762.24/202,859.20 - Step 6: Final answer
x = 154,727.72
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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.