Finding the Fourth Proportional to 320,244.13, 441,959.79 and 177,001.08
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Solution
The fourth proportional to 320,244.13, 441,959.79 and 177,001.08 is: 244,274.14
Step by Step Solution
- Step 1: Write the proportion equation
320,244.13 : 441,959.79 = 177,001.08 : x - Step 2: Convert to fraction form
320,244.13/441,959.79 = 177,001.08/x - Step 3: Cross multiply
320,244.13x = 441,959.79 × 177,001.08 - Step 4: Simplify right side
320,244.13x = 78,227,360,146.57 - Step 5: Solve for x
x = 78,227,360,146.57/320,244.13 - Step 6: Final answer
x = 244,274.14
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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.