Finding the Fourth Proportional to 189,007.40, 260,844.36 and 104,124.80
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Solution
The fourth proportional to 189,007.40, 260,844.36 and 104,124.80 is: 143,700.02
Step by Step Solution
- Step 1: Write the proportion equation
189,007.40 : 260,844.36 = 104,124.80 : x - Step 2: Convert to fraction form
189,007.40/260,844.36 = 104,124.80/x - Step 3: Cross multiply
189,007.40x = 260,844.36 × 104,124.80 - Step 4: Simplify right side
189,007.40x = 27,160,366,816.13 - Step 5: Solve for x
x = 27,160,366,816.13/189,007.40 - Step 6: Final answer
x = 143,700.02
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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.