Finding the Fourth Proportional to 251,816.19, 347,508.44 and 137,095.62
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Solution
The fourth proportional to 251,816.19, 347,508.44 and 137,095.62 is: 189,193.09
Step by Step Solution
- Step 1: Write the proportion equation
251,816.19 : 347,508.44 = 137,095.62 : x - Step 2: Convert to fraction form
251,816.19/347,508.44 = 137,095.62/x - Step 3: Cross multiply
251,816.19x = 347,508.44 × 137,095.62 - Step 4: Simplify right side
251,816.19x = 47,641,884,351.55 - Step 5: Solve for x
x = 47,641,884,351.55/251,816.19 - Step 6: Final answer
x = 189,193.09
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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.