Finding the Fourth Proportional to 160,070.68, 239,914.26 and 74,566.28
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Solution
The fourth proportional to 160,070.68, 239,914.26 and 74,566.28 is: 111,760.09
Step by Step Solution
- Step 1: Write the proportion equation
160,070.68 : 239,914.26 = 74,566.28 : x - Step 2: Convert to fraction form
160,070.68/239,914.26 = 74,566.28/x - Step 3: Cross multiply
160,070.68x = 239,914.26 × 74,566.28 - Step 4: Simplify right side
160,070.68x = 17,889,513,887.15 - Step 5: Solve for x
x = 17,889,513,887.15/160,070.68 - Step 6: Final answer
x = 111,760.09
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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.