Finding the Fourth Proportional to 348,479.76, 480,724.97 and 227,691.75
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Solution
The fourth proportional to 348,479.76, 480,724.97 and 227,691.75 is: 314,098.90
Step by Step Solution
- Step 1: Write the proportion equation
348,479.76 : 480,724.97 = 227,691.75 : x - Step 2: Convert to fraction form
348,479.76/480,724.97 = 227,691.75/x - Step 3: Cross multiply
348,479.76x = 480,724.97 × 227,691.75 - Step 4: Simplify right side
348,479.76x = 109,457,108,549.54 - Step 5: Solve for x
x = 109,457,108,549.54/348,479.76 - Step 6: Final answer
x = 314,098.90
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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.