Finding the Fourth Proportional to 335,901.30, 463,639.05 and 221,263.62
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Solution
The fourth proportional to 335,901.30, 463,639.05 and 221,263.62 is: 305,406.54
Step by Step Solution
- Step 1: Write the proportion equation
335,901.30 : 463,639.05 = 221,263.62 : x - Step 2: Convert to fraction form
335,901.30/463,639.05 = 221,263.62/x - Step 3: Cross multiply
335,901.30x = 463,639.05 × 221,263.62 - Step 4: Simplify right side
335,901.30x = 102,586,454,576.36 - Step 5: Solve for x
x = 102,586,454,576.36/335,901.30 - Step 6: Final answer
x = 305,406.54
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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.