Finding the Fourth Proportional to 493,305.19, 680,761.16 and 266,950.69
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Solution
The fourth proportional to 493,305.19, 680,761.16 and 266,950.69 is: 368,391.95
Step by Step Solution
- Step 1: Write the proportion equation
493,305.19 : 680,761.16 = 266,950.69 : x - Step 2: Convert to fraction form
493,305.19/680,761.16 = 266,950.69/x - Step 3: Cross multiply
493,305.19x = 680,761.16 × 266,950.69 - Step 4: Simplify right side
493,305.19x = 181,729,659,351.61 - Step 5: Solve for x
x = 181,729,659,351.61/493,305.19 - Step 6: Final answer
x = 368,391.95
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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.