Finding the Fourth Proportional to 354,802.65, 532,439.02 and 194,990.19
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Solution
The fourth proportional to 354,802.65, 532,439.02 and 194,990.19 is: 292,614.46
Step by Step Solution
- Step 1: Write the proportion equation
354,802.65 : 532,439.02 = 194,990.19 : x - Step 2: Convert to fraction form
354,802.65/532,439.02 = 194,990.19/x - Step 3: Cross multiply
354,802.65x = 532,439.02 × 194,990.19 - Step 4: Simplify right side
354,802.65x = 103,820,383,498.49 - Step 5: Solve for x
x = 103,820,383,498.49/354,802.65 - Step 6: Final answer
x = 292,614.46
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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.