Finding the Fourth Proportional to 493,205.09, 680,622.98 and 266,850.59
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Solution
The fourth proportional to 493,205.09, 680,622.98 and 266,850.59 is: 368,253.78
Step by Step Solution
- Step 1: Write the proportion equation
493,205.09 : 680,622.98 = 266,850.59 : x - Step 2: Convert to fraction form
493,205.09/680,622.98 = 266,850.59/x - Step 3: Cross multiply
493,205.09x = 680,622.98 × 266,850.59 - Step 4: Simplify right side
493,205.09x = 181,624,639,043.19 - Step 5: Solve for x
x = 181,624,639,043.19/493,205.09 - Step 6: Final answer
x = 368,253.78
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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.