Finding the Fourth Proportional to 497,278.17, 686,243.95 and 270,923.67
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Solution
The fourth proportional to 497,278.17, 686,243.95 and 270,923.67 is: 373,874.70
Step by Step Solution
- Step 1: Write the proportion equation
497,278.17 : 686,243.95 = 270,923.67 : x - Step 2: Convert to fraction form
497,278.17/686,243.95 = 270,923.67/x - Step 3: Cross multiply
497,278.17x = 686,243.95 × 270,923.67 - Step 4: Simplify right side
497,278.17x = 185,919,728,771.99 - Step 5: Solve for x
x = 185,919,728,771.99/497,278.17 - Step 6: Final answer
x = 373,874.70
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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.