Finding the Fourth Proportional to 239,971.88, 359,913.36 and 88,135.76
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Solution
The fourth proportional to 239,971.88, 359,913.36 and 88,135.76 is: 132,187.31
Step by Step Solution
- Step 1: Write the proportion equation
239,971.88 : 359,913.36 = 88,135.76 : x - Step 2: Convert to fraction form
239,971.88/359,913.36 = 88,135.76/x - Step 3: Cross multiply
239,971.88x = 359,913.36 × 88,135.76 - Step 4: Simplify right side
239,971.88x = 31,721,237,517.75 - Step 5: Solve for x
x = 31,721,237,517.75/239,971.88 - Step 6: Final answer
x = 132,187.31
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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.