Finding the Fourth Proportional to 493,110.12, 680,491.62 and 266,755.80
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Solution
The fourth proportional to 493,110.12, 680,491.62 and 266,755.80 is: 368,122.82
Step by Step Solution
- Step 1: Write the proportion equation
493,110.12 : 680,491.62 = 266,755.80 : x - Step 2: Convert to fraction form
493,110.12/680,491.62 = 266,755.80/x - Step 3: Cross multiply
493,110.12x = 680,491.62 × 266,755.80 - Step 4: Simplify right side
493,110.12x = 181,525,086,486.40 - Step 5: Solve for x
x = 181,525,086,486.40/493,110.12 - Step 6: Final answer
x = 368,122.82
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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.