Finding the Fourth Proportional to 1,092,181.21, 1,638,270.95 and 293,462.75
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Solution
The fourth proportional to 1,092,181.21, 1,638,270.95 and 293,462.75 is: 440,193.89
Step by Step Solution
- Step 1: Write the proportion equation
1,092,181.21 : 1,638,270.95 = 293,462.75 : x - Step 2: Convert to fraction form
1,092,181.21/1,638,270.95 = 293,462.75/x - Step 3: Cross multiply
1,092,181.21x = 1,638,270.95 × 293,462.75 - Step 4: Simplify right side
1,092,181.21x = 480,771,494,716.96 - Step 5: Solve for x
x = 480,771,494,716.96/1,092,181.21 - Step 6: Final answer
x = 440,193.89
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1.5x scale
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.