Finding the Fourth Proportional to 156,007.77, 215,287.20 and 88,022.99
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Solution
The fourth proportional to 156,007.77, 215,287.20 and 88,022.99 is: 121,469.74
Step by Step Solution
- Step 1: Write the proportion equation
156,007.77 : 215,287.20 = 88,022.99 : x - Step 2: Convert to fraction form
156,007.77/215,287.20 = 88,022.99/x - Step 3: Cross multiply
156,007.77x = 215,287.20 × 88,022.99 - Step 4: Simplify right side
156,007.77x = 18,950,223,102.52 - Step 5: Solve for x
x = 18,950,223,102.52/156,007.77 - Step 6: Final answer
x = 121,469.74
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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.