Finding the Fourth Proportional to 272,021.06, 375,387.64 and 149,516.26
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Solution
The fourth proportional to 272,021.06, 375,387.64 and 149,516.26 is: 206,331.66
Step by Step Solution
- Step 1: Write the proportion equation
272,021.06 : 375,387.64 = 149,516.26 : x - Step 2: Convert to fraction form
272,021.06/375,387.64 = 149,516.26/x - Step 3: Cross multiply
272,021.06x = 375,387.64 × 149,516.26 - Step 4: Simplify right side
272,021.06x = 56,126,555,983.03 - Step 5: Solve for x
x = 56,126,555,983.03/272,021.06 - Step 6: Final answer
x = 206,331.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.