Finding the Fourth Proportional to 272,174.14, 407,387.72 and 145,497.70
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Solution
The fourth proportional to 272,174.14, 407,387.72 and 145,497.70 is: 217,779.60
Step by Step Solution
- Step 1: Write the proportion equation
272,174.14 : 407,387.72 = 145,497.70 : x - Step 2: Convert to fraction form
272,174.14/407,387.72 = 145,497.70/x - Step 3: Cross multiply
272,174.14x = 407,387.72 × 145,497.70 - Step 4: Simplify right side
272,174.14x = 59,273,976,268.24 - Step 5: Solve for x
x = 59,273,976,268.24/272,174.14 - Step 6: Final answer
x = 217,779.60
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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.