Finding the Fourth Proportional to 239,719.92, 330,813.14 and 132,289.96
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Solution
The fourth proportional to 239,719.92, 330,813.14 and 132,289.96 is: 182,559.95
Step by Step Solution
- Step 1: Write the proportion equation
239,719.92 : 330,813.14 = 132,289.96 : x - Step 2: Convert to fraction form
239,719.92/330,813.14 = 132,289.96/x - Step 3: Cross multiply
239,719.92x = 330,813.14 × 132,289.96 - Step 4: Simplify right side
239,719.92x = 43,763,257,058.07 - Step 5: Solve for x
x = 43,763,257,058.07/239,719.92 - Step 6: Final answer
x = 182,559.95
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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.