Finding the Fourth Proportional to 356,244.84, 491,950.86 and 229,141.08
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Solution
The fourth proportional to 356,244.84, 491,950.86 and 229,141.08 is: 316,428.87
Step by Step Solution
- Step 1: Write the proportion equation
356,244.84 : 491,950.86 = 229,141.08 : x - Step 2: Convert to fraction form
356,244.84/491,950.86 = 229,141.08/x - Step 3: Cross multiply
356,244.84x = 491,950.86 × 229,141.08 - Step 4: Simplify right side
356,244.84x = 112,726,151,367.33 - Step 5: Solve for x
x = 112,726,151,367.33/356,244.84 - Step 6: Final answer
x = 316,428.87
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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.