Finding the Fourth Proportional to 408,097.20, 612,145.80 and 296,122.80
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Solution
The fourth proportional to 408,097.20, 612,145.80 and 296,122.80 is: 444,184.20
Step by Step Solution
- Step 1: Write the proportion equation
408,097.20 : 612,145.80 = 296,122.80 : x - Step 2: Convert to fraction form
408,097.20/612,145.80 = 296,122.80/x - Step 3: Cross multiply
408,097.20x = 612,145.80 × 296,122.80 - Step 4: Simplify right side
408,097.20x = 181,270,328,304.24 - Step 5: Solve for x
x = 181,270,328,304.24/408,097.20 - Step 6: Final answer
x = 444,184.20
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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.