Finding the Fourth Proportional to 292,381.99, 403,487.08 and 165,057.58
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Solution
The fourth proportional to 292,381.99, 403,487.08 and 165,057.58 is: 227,779.42
Step by Step Solution
- Step 1: Write the proportion equation
292,381.99 : 403,487.08 = 165,057.58 : x - Step 2: Convert to fraction form
292,381.99/403,487.08 = 165,057.58/x - Step 3: Cross multiply
292,381.99x = 403,487.08 × 165,057.58 - Step 4: Simplify right side
292,381.99x = 66,598,600,986.07 - Step 5: Solve for x
x = 66,598,600,986.07/292,381.99 - Step 6: Final answer
x = 227,779.42
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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.