Finding the Fourth Proportional to 367,408.10, 506,988.17 and 206,226.20
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Solution
The fourth proportional to 367,408.10, 506,988.17 and 206,226.20 is: 284,572.50
Step by Step Solution
- Step 1: Write the proportion equation
367,408.10 : 506,988.17 = 206,226.20 : x - Step 2: Convert to fraction form
367,408.10/506,988.17 = 206,226.20/x - Step 3: Cross multiply
367,408.10x = 506,988.17 × 206,226.20 - Step 4: Simplify right side
367,408.10x = 104,554,240,177.98 - Step 5: Solve for x
x = 104,554,240,177.98/367,408.10 - Step 6: Final answer
x = 284,572.50
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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.