Finding the Fourth Proportional to 251,708.44, 347,360.12 and 138,533.80
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Solution
The fourth proportional to 251,708.44, 347,360.12 and 138,533.80 is: 191,178.00
Step by Step Solution
- Step 1: Write the proportion equation
251,708.44 : 347,360.12 = 138,533.80 : x - Step 2: Convert to fraction form
251,708.44/347,360.12 = 138,533.80/x - Step 3: Cross multiply
251,708.44x = 347,360.12 × 138,533.80 - Step 4: Simplify right side
251,708.44x = 48,121,117,392.06 - Step 5: Solve for x
x = 48,121,117,392.06/251,708.44 - Step 6: Final answer
x = 191,178.00
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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.