Finding the Fourth Proportional to 178,987.26, 247,006.41 and 98,409.66
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Solution
The fourth proportional to 178,987.26, 247,006.41 and 98,409.66 is: 135,807.53
Step by Step Solution
- Step 1: Write the proportion equation
178,987.26 : 247,006.41 = 98,409.66 : x - Step 2: Convert to fraction form
178,987.26/247,006.41 = 98,409.66/x - Step 3: Cross multiply
178,987.26x = 247,006.41 × 98,409.66 - Step 4: Simplify right side
178,987.26x = 24,307,816,825.92 - Step 5: Solve for x
x = 24,307,816,825.92/178,987.26 - Step 6: Final answer
x = 135,807.53
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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.