Finding the Fourth Proportional to 356,400.28, 491,828.30 and 193,053.68
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Solution
The fourth proportional to 356,400.28, 491,828.30 and 193,053.68 is: 266,411.86
Step by Step Solution
- Step 1: Write the proportion equation
356,400.28 : 491,828.30 = 193,053.68 : x - Step 2: Convert to fraction form
356,400.28/491,828.30 = 193,053.68/x - Step 3: Cross multiply
356,400.28x = 491,828.30 × 193,053.68 - Step 4: Simplify right side
356,400.28x = 94,949,263,243.14 - Step 5: Solve for x
x = 94,949,263,243.14/356,400.28 - Step 6: Final answer
x = 266,411.86
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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.