Finding the Fourth Proportional to 493,324.49, 680,789.81 and 266,969.99
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Solution
The fourth proportional to 493,324.49, 680,789.81 and 266,969.99 is: 368,419.68
Step by Step Solution
- Step 1: Write the proportion equation
493,324.49 : 680,789.81 = 266,969.99 : x - Step 2: Convert to fraction form
493,324.49/680,789.81 = 266,969.99/x - Step 3: Cross multiply
493,324.49x = 680,789.81 × 266,969.99 - Step 4: Simplify right side
493,324.49x = 181,750,448,767.80 - Step 5: Solve for x
x = 181,750,448,767.80/493,324.49 - Step 6: Final answer
x = 368,419.68
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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.