Finding the Fourth Proportional to 377,672.68, 521,169.06 and 207,874.12
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Solution
The fourth proportional to 377,672.68, 521,169.06 and 207,874.12 is: 286,855.70
Step by Step Solution
- Step 1: Write the proportion equation
377,672.68 : 521,169.06 = 207,874.12 : x - Step 2: Convert to fraction form
377,672.68/521,169.06 = 207,874.12/x - Step 3: Cross multiply
377,672.68x = 521,169.06 × 207,874.12 - Step 4: Simplify right side
377,672.68x = 108,337,559,718.73 - Step 5: Solve for x
x = 108,337,559,718.73/377,672.68 - Step 6: Final answer
x = 286,855.70
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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.