Finding the Fourth Proportional to 174,509.29, 240,816.64 and 106,639.84
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Solution
The fourth proportional to 174,509.29, 240,816.64 and 106,639.84 is: 147,159.20
Step by Step Solution
- Step 1: Write the proportion equation
174,509.29 : 240,816.64 = 106,639.84 : x - Step 2: Convert to fraction form
174,509.29/240,816.64 = 106,639.84/x - Step 3: Cross multiply
174,509.29x = 240,816.64 × 106,639.84 - Step 4: Simplify right side
174,509.29x = 25,680,647,958.94 - Step 5: Solve for x
x = 25,680,647,958.94/174,509.29 - Step 6: Final answer
x = 147,159.20
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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.