Finding the Fourth Proportional to 239,485.98, 330,485.76 and 132,058.92
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Solution
The fourth proportional to 239,485.98, 330,485.76 and 132,058.92 is: 182,238.61
Step by Step Solution
- Step 1: Write the proportion equation
239,485.98 : 330,485.76 = 132,058.92 : x - Step 2: Convert to fraction form
239,485.98/330,485.76 = 132,058.92/x - Step 3: Cross multiply
239,485.98x = 330,485.76 × 132,058.92 - Step 4: Simplify right side
239,485.98x = 43,643,592,540.98 - Step 5: Solve for x
x = 43,643,592,540.98/239,485.98 - Step 6: Final answer
x = 182,238.61
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1.5x scale
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.