Finding the Fourth Proportional to 348,382.14, 480,869.67 and 227,541.90
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Solution
The fourth proportional to 348,382.14, 480,869.67 and 227,541.90 is: 314,074.65
Step by Step Solution
- Step 1: Write the proportion equation
348,382.14 : 480,869.67 = 227,541.90 : x - Step 2: Convert to fraction form
348,382.14/480,869.67 = 227,541.90/x - Step 3: Cross multiply
348,382.14x = 480,869.67 × 227,541.90 - Step 4: Simplify right side
348,382.14x = 109,417,998,364.17 - Step 5: Solve for x
x = 109,417,998,364.17/348,382.14 - Step 6: Final answer
x = 314,074.65
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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.