Finding the Fourth Proportional to 272,704.06, 408,919.20 and 158,888.71
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Solution
The fourth proportional to 272,704.06, 408,919.20 and 158,888.71 is: 238,253.31
Step by Step Solution
- Step 1: Write the proportion equation
272,704.06 : 408,919.20 = 158,888.71 : x - Step 2: Convert to fraction form
272,704.06/408,919.20 = 158,888.71/x - Step 3: Cross multiply
272,704.06x = 408,919.20 × 158,888.71 - Step 4: Simplify right side
272,704.06x = 64,972,644,182.23 - Step 5: Solve for x
x = 64,972,644,182.23/272,704.06 - Step 6: Final answer
x = 238,253.31
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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.