Finding the Fourth Proportional to 239,029.36, 329,857.86 and 131,597.17
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Solution
The fourth proportional to 239,029.36, 329,857.86 and 131,597.17 is: 181,602.63
Step by Step Solution
- Step 1: Write the proportion equation
239,029.36 : 329,857.86 = 131,597.17 : x - Step 2: Convert to fraction form
239,029.36/329,857.86 = 131,597.17/x - Step 3: Cross multiply
239,029.36x = 329,857.86 × 131,597.17 - Step 4: Simplify right side
239,029.36x = 43,408,360,878.26 - Step 5: Solve for x
x = 43,408,360,878.26/239,029.36 - Step 6: Final answer
x = 181,602.63
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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.