Finding the Fourth Proportional to 680,092.16, 1,020,195.35 and 206,781.62
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Solution
The fourth proportional to 680,092.16, 1,020,195.35 and 206,781.62 is: 310,189.80
Step by Step Solution
- Step 1: Write the proportion equation
680,092.16 : 1,020,195.35 = 206,781.62 : x - Step 2: Convert to fraction form
680,092.16/1,020,195.35 = 206,781.62/x - Step 3: Cross multiply
680,092.16x = 1,020,195.35 × 206,781.62 - Step 4: Simplify right side
680,092.16x = 210,957,650,256.91 - Step 5: Solve for x
x = 210,957,650,256.91/680,092.16 - Step 6: Final answer
x = 310,189.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.