Finding the Fourth Proportional to 329,079.44, 453,898.68 and 201,805.76
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Solution
The fourth proportional to 329,079.44, 453,898.68 and 201,805.76 is: 278,350.32
Step by Step Solution
- Step 1: Write the proportion equation
329,079.44 : 453,898.68 = 201,805.76 : x - Step 2: Convert to fraction form
329,079.44/453,898.68 = 201,805.76/x - Step 3: Cross multiply
329,079.44x = 453,898.68 × 201,805.76 - Step 4: Simplify right side
329,079.44x = 91,599,368,080.40 - Step 5: Solve for x
x = 91,599,368,080.40/329,079.44 - Step 6: Final answer
x = 278,350.32
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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.