Finding the Fourth Proportional to 156,116.13, 215,440.24 and 84,496.14
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Solution
The fourth proportional to 156,116.13, 215,440.24 and 84,496.14 is: 116,604.66
Step by Step Solution
- Step 1: Write the proportion equation
156,116.13 : 215,440.24 = 84,496.14 : x - Step 2: Convert to fraction form
156,116.13/215,440.24 = 84,496.14/x - Step 3: Cross multiply
156,116.13x = 215,440.24 × 84,496.14 - Step 4: Simplify right side
156,116.13x = 18,203,868,680.67 - Step 5: Solve for x
x = 18,203,868,680.67/156,116.13 - Step 6: Final answer
x = 116,604.66
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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.