Finding the Fourth Proportional to 167,751.79, 251,689.44 and 77,837.53
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Solution
The fourth proportional to 167,751.79, 251,689.44 and 77,837.53 is: 116,784.95
Step by Step Solution
- Step 1: Write the proportion equation
167,751.79 : 251,689.44 = 77,837.53 : x - Step 2: Convert to fraction form
167,751.79/251,689.44 = 77,837.53/x - Step 3: Cross multiply
167,751.79x = 251,689.44 × 77,837.53 - Step 4: Simplify right side
167,751.79x = 19,590,884,336.68 - Step 5: Solve for x
x = 19,590,884,336.68/167,751.79 - Step 6: Final answer
x = 116,784.95
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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.