Finding the Fourth Proportional to 377,706.12, 521,214.66 and 207,907.08
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Solution
The fourth proportional to 377,706.12, 521,214.66 and 207,907.08 is: 286,900.88
Step by Step Solution
- Step 1: Write the proportion equation
377,706.12 : 521,214.66 = 207,907.08 : x - Step 2: Convert to fraction form
377,706.12/521,214.66 = 207,907.08/x - Step 3: Cross multiply
377,706.12x = 521,214.66 × 207,907.08 - Step 4: Simplify right side
377,706.12x = 108,364,218,013.79 - Step 5: Solve for x
x = 108,364,218,013.79/377,706.12 - Step 6: Final answer
x = 286,900.88
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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.