Finding the Fourth Proportional to 159,248.14, 238,527.74 and 74,881.92
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Solution
The fourth proportional to 159,248.14, 238,527.74 and 74,881.92 is: 112,160.90
Step by Step Solution
- Step 1: Write the proportion equation
159,248.14 : 238,527.74 = 74,881.92 : x - Step 2: Convert to fraction form
159,248.14/238,527.74 = 74,881.92/x - Step 3: Cross multiply
159,248.14x = 238,527.74 × 74,881.92 - Step 4: Simplify right side
159,248.14x = 17,861,415,144.46 - Step 5: Solve for x
x = 17,861,415,144.46/159,248.14 - Step 6: Final answer
x = 112,160.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.