Finding the Fourth Proportional to 239,173.11, 330,058.91 and 131,743.14
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Solution
The fourth proportional to 239,173.11, 330,058.91 and 131,743.14 is: 181,805.55
Step by Step Solution
- Step 1: Write the proportion equation
239,173.11 : 330,058.91 = 131,743.14 : x - Step 2: Convert to fraction form
239,173.11/330,058.91 = 131,743.14/x - Step 3: Cross multiply
239,173.11x = 330,058.91 × 131,743.14 - Step 4: Simplify right side
239,173.11x = 43,482,997,836.28 - Step 5: Solve for x
x = 43,482,997,836.28/239,173.11 - Step 6: Final answer
x = 181,805.55
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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.