Finding the Fourth Proportional to 272,127.08, 408,183.08 and 72,449.20
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Solution
The fourth proportional to 272,127.08, 408,183.08 and 72,449.20 is: 108,671.79
Step by Step Solution
- Step 1: Write the proportion equation
272,127.08 : 408,183.08 = 72,449.20 : x - Step 2: Convert to fraction form
272,127.08/408,183.08 = 72,449.20/x - Step 3: Cross multiply
272,127.08x = 408,183.08 × 72,449.20 - Step 4: Simplify right side
272,127.08x = 29,572,537,599.54 - Step 5: Solve for x
x = 29,572,537,599.54/272,127.08 - Step 6: Final answer
x = 108,671.79
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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.