Finding the Fourth Proportional to 379,642.01, 569,247.35 and 154,739.03
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Solution
The fourth proportional to 379,642.01, 569,247.35 and 154,739.03 is: 232,020.64
Step by Step Solution
- Step 1: Write the proportion equation
379,642.01 : 569,247.35 = 154,739.03 : x - Step 2: Convert to fraction form
379,642.01/569,247.35 = 154,739.03/x - Step 3: Cross multiply
379,642.01x = 569,247.35 × 154,739.03 - Step 4: Simplify right side
379,642.01x = 88,084,779,149.14 - Step 5: Solve for x
x = 88,084,779,149.14/379,642.01 - Step 6: Final answer
x = 232,020.64
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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.