Finding the Fourth Proportional to 272,294.21, 375,775.26 and 149,791.98
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Solution
The fourth proportional to 272,294.21, 375,775.26 and 149,791.98 is: 206,718.02
Step by Step Solution
- Step 1: Write the proportion equation
272,294.21 : 375,775.26 = 149,791.98 : x - Step 2: Convert to fraction form
272,294.21/375,775.26 = 149,791.98/x - Step 3: Cross multiply
272,294.21x = 375,775.26 × 149,791.98 - Step 4: Simplify right side
272,294.21x = 56,288,120,230.41 - Step 5: Solve for x
x = 56,288,120,230.41/272,294.21 - Step 6: Final answer
x = 206,718.02
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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.