Finding the Fourth Proportional to 156,224.36, 215,590.41 and 84,604.68
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Solution
The fourth proportional to 156,224.36, 215,590.41 and 84,604.68 is: 116,754.89
Step by Step Solution
- Step 1: Write the proportion equation
156,224.36 : 215,590.41 = 84,604.68 : x - Step 2: Convert to fraction form
156,224.36/215,590.41 = 84,604.68/x - Step 3: Cross multiply
156,224.36x = 215,590.41 × 84,604.68 - Step 4: Simplify right side
156,224.36x = 18,239,957,649.12 - Step 5: Solve for x
x = 18,239,957,649.12/156,224.36 - Step 6: Final answer
x = 116,754.89
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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.