Finding the Fourth Proportional to 239,985.36, 331,171.20 and 132,549.84
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Solution
The fourth proportional to 239,985.36, 331,171.20 and 132,549.84 is: 182,914.03
Step by Step Solution
- Step 1: Write the proportion equation
239,985.36 : 331,171.20 = 132,549.84 : x - Step 2: Convert to fraction form
239,985.36/331,171.20 = 132,549.84/x - Step 3: Cross multiply
239,985.36x = 331,171.20 × 132,549.84 - Step 4: Simplify right side
239,985.36x = 43,896,689,572.61 - Step 5: Solve for x
x = 43,896,689,572.61/239,985.36 - Step 6: Final answer
x = 182,914.03
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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.