Finding the Fourth Proportional to 493,218.36, 680,640.30 and 266,863.80
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Solution
The fourth proportional to 493,218.36, 680,640.30 and 266,863.80 is: 368,271.48
Step by Step Solution
- Step 1: Write the proportion equation
493,218.36 : 680,640.30 = 266,863.80 : x - Step 2: Convert to fraction form
493,218.36/680,640.30 = 266,863.80/x - Step 3: Cross multiply
493,218.36x = 680,640.30 × 266,863.80 - Step 4: Simplify right side
493,218.36x = 181,638,256,891.14 - Step 5: Solve for x
x = 181,638,256,891.14/493,218.36 - Step 6: Final answer
x = 368,271.48
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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.