Finding the Fourth Proportional to 353,079.70, 529,619.55 and 327,159.70
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Solution
The fourth proportional to 353,079.70, 529,619.55 and 327,159.70 is: 490,739.55
Step by Step Solution
- Step 1: Write the proportion equation
353,079.70 : 529,619.55 = 327,159.70 : x - Step 2: Convert to fraction form
353,079.70/529,619.55 = 327,159.70/x - Step 3: Cross multiply
353,079.70x = 529,619.55 × 327,159.70 - Step 4: Simplify right side
353,079.70x = 173,270,173,092.14 - Step 5: Solve for x
x = 173,270,173,092.14/353,079.70 - Step 6: Final answer
x = 490,739.55
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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.