Finding the Fourth Proportional to 232,387.13, 320,694.24 and 131,785.13
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Solution
The fourth proportional to 232,387.13, 320,694.24 and 131,785.13 is: 181,863.48
Step by Step Solution
- Step 1: Write the proportion equation
232,387.13 : 320,694.24 = 131,785.13 : x - Step 2: Convert to fraction form
232,387.13/320,694.24 = 131,785.13/x - Step 3: Cross multiply
232,387.13x = 320,694.24 × 131,785.13 - Step 4: Simplify right side
232,387.13x = 42,262,730,505.18 - Step 5: Solve for x
x = 42,262,730,505.18/232,387.13 - Step 6: Final answer
x = 181,863.48
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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.