Finding the Fourth Proportional to 319,631.29, 441,101.76 and 174,445.00
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Solution
The fourth proportional to 319,631.29, 441,101.76 and 174,445.00 is: 240,739.88
Step by Step Solution
- Step 1: Write the proportion equation
319,631.29 : 441,101.76 = 174,445.00 : x - Step 2: Convert to fraction form
319,631.29/441,101.76 = 174,445.00/x - Step 3: Cross multiply
319,631.29x = 441,101.76 × 174,445.00 - Step 4: Simplify right side
319,631.29x = 76,947,997,728.75 - Step 5: Solve for x
x = 76,947,997,728.75/319,631.29 - Step 6: Final answer
x = 240,739.88
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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.