Finding the Fourth Proportional to 360,734.40, 497,780.72 and 207,731.84
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Solution
The fourth proportional to 360,734.40, 497,780.72 and 207,731.84 is: 286,651.08
Step by Step Solution
- Step 1: Write the proportion equation
360,734.40 : 497,780.72 = 207,731.84 : x - Step 2: Convert to fraction form
360,734.40/497,780.72 = 207,731.84/x - Step 3: Cross multiply
360,734.40x = 497,780.72 × 207,731.84 - Step 4: Simplify right side
360,734.40x = 103,404,904,882.13 - Step 5: Solve for x
x = 103,404,904,882.13/360,734.40 - Step 6: Final answer
x = 286,651.08
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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.