Finding the Fourth Proportional to 251,976.08, 347,727.94 and 138,798.56
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Solution
The fourth proportional to 251,976.08, 347,727.94 and 138,798.56 is: 191,542.54
Step by Step Solution
- Step 1: Write the proportion equation
251,976.08 : 347,727.94 = 138,798.56 : x - Step 2: Convert to fraction form
251,976.08/347,727.94 = 138,798.56/x - Step 3: Cross multiply
251,976.08x = 347,727.94 × 138,798.56 - Step 4: Simplify right side
251,976.08x = 48,264,137,343.77 - Step 5: Solve for x
x = 48,264,137,343.77/251,976.08 - Step 6: Final answer
x = 191,542.54
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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.