Finding the Fourth Proportional to 251,825.04, 347,539.68 and 138,669.12
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Solution
The fourth proportional to 251,825.04, 347,539.68 and 138,669.12 is: 191,375.02
Step by Step Solution
- Step 1: Write the proportion equation
251,825.04 : 347,539.68 = 138,669.12 : x - Step 2: Convert to fraction form
251,825.04/347,539.68 = 138,669.12/x - Step 3: Cross multiply
251,825.04x = 347,539.68 × 138,669.12 - Step 4: Simplify right side
251,825.04x = 48,193,021,590.68 - Step 5: Solve for x
x = 48,193,021,590.68/251,825.04 - Step 6: Final answer
x = 191,375.02
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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.