Finding the Fourth Proportional to 252,125.18, 347,932.74 and 138,947.93
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Solution
The fourth proportional to 252,125.18, 347,932.74 and 138,947.93 is: 191,748.14
Step by Step Solution
- Step 1: Write the proportion equation
252,125.18 : 347,932.74 = 138,947.93 : x - Step 2: Convert to fraction form
252,125.18/347,932.74 = 138,947.93/x - Step 3: Cross multiply
252,125.18x = 347,932.74 × 138,947.93 - Step 4: Simplify right side
252,125.18x = 48,344,534,002.23 - Step 5: Solve for x
x = 48,344,534,002.23/252,125.18 - Step 6: Final answer
x = 191,748.14
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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.