Finding the Fourth Proportional to 156,095.49, 215,232.21 and 115,318.62
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Solution
The fourth proportional to 156,095.49, 215,232.21 and 115,318.62 is: 159,007.04
Step by Step Solution
- Step 1: Write the proportion equation
156,095.49 : 215,232.21 = 115,318.62 : x - Step 2: Convert to fraction form
156,095.49/215,232.21 = 115,318.62/x - Step 3: Cross multiply
156,095.49x = 215,232.21 × 115,318.62 - Step 4: Simplify right side
156,095.49x = 24,820,281,436.75 - Step 5: Solve for x
x = 24,820,281,436.75/156,095.49 - Step 6: Final answer
x = 159,007.04
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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.