Finding the Fourth Proportional to 238,071.92, 357,128.84 and 88,313.84
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Solution
The fourth proportional to 238,071.92, 357,128.84 and 88,313.84 is: 132,478.54
Step by Step Solution
- Step 1: Write the proportion equation
238,071.92 : 357,128.84 = 88,313.84 : x - Step 2: Convert to fraction form
238,071.92/357,128.84 = 88,313.84/x - Step 3: Cross multiply
238,071.92x = 357,128.84 × 88,313.84 - Step 4: Simplify right side
238,071.92x = 31,539,419,235.15 - Step 5: Solve for x
x = 31,539,419,235.15/238,071.92 - Step 6: Final answer
x = 132,478.54
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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.