Finding the Fourth Proportional to 353,123.70, 529,685.55 and 327,203.70
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Solution
The fourth proportional to 353,123.70, 529,685.55 and 327,203.70 is: 490,805.55
Step by Step Solution
- Step 1: Write the proportion equation
353,123.70 : 529,685.55 = 327,203.70 : x - Step 2: Convert to fraction form
353,123.70/529,685.55 = 327,203.70/x - Step 3: Cross multiply
353,123.70x = 529,685.55 × 327,203.70 - Step 4: Simplify right side
353,123.70x = 173,315,071,796.54 - Step 5: Solve for x
x = 173,315,071,796.54/353,123.70 - Step 6: Final answer
x = 490,805.55
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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.