Finding the Fourth Proportional to 157,431.94, 236,182.99 and 57,589.92
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Solution
The fourth proportional to 157,431.94, 236,182.99 and 57,589.92 is: 86,397.71
Step by Step Solution
- Step 1: Write the proportion equation
157,431.94 : 236,182.99 = 57,589.92 : x - Step 2: Convert to fraction form
157,431.94/236,182.99 = 57,589.92/x - Step 3: Cross multiply
157,431.94x = 236,182.99 × 57,589.92 - Step 4: Simplify right side
157,431.94x = 13,601,759,499.46 - Step 5: Solve for x
x = 13,601,759,499.46/157,431.94 - Step 6: Final answer
x = 86,397.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.