Finding the Fourth Proportional to 210,920.18, 291,024.77 and 124,906.19
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Solution
The fourth proportional to 210,920.18, 291,024.77 and 124,906.19 is: 172,343.84
Step by Step Solution
- Step 1: Write the proportion equation
210,920.18 : 291,024.77 = 124,906.19 : x - Step 2: Convert to fraction form
210,920.18/291,024.77 = 124,906.19/x - Step 3: Cross multiply
210,920.18x = 291,024.77 × 124,906.19 - Step 4: Simplify right side
210,920.18x = 36,350,793,136.67 - Step 5: Solve for x
x = 36,350,793,136.67/210,920.18 - Step 6: Final answer
x = 172,343.84
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1.5x scale
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.