Finding the Fourth Proportional to 272,154.30, 408,252.06 and 72,473.88
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Solution
The fourth proportional to 272,154.30, 408,252.06 and 72,473.88 is: 108,716.31
Step by Step Solution
- Step 1: Write the proportion equation
272,154.30 : 408,252.06 = 72,473.88 : x - Step 2: Convert to fraction form
272,154.30/408,252.06 = 72,473.88/x - Step 3: Cross multiply
272,154.30x = 408,252.06 × 72,473.88 - Step 4: Simplify right side
272,154.30x = 29,587,610,806.19 - Step 5: Solve for x
x = 29,587,610,806.19/272,154.30 - Step 6: Final answer
x = 108,716.31
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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.