Finding the Fourth Proportional to 239,888.68, 331,047.78 and 132,456.68
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Solution
The fourth proportional to 239,888.68, 331,047.78 and 132,456.68 is: 182,790.99
Step by Step Solution
- Step 1: Write the proportion equation
239,888.68 : 331,047.78 = 132,456.68 : x - Step 2: Convert to fraction form
239,888.68/331,047.78 = 132,456.68/x - Step 3: Cross multiply
239,888.68x = 331,047.78 × 132,456.68 - Step 4: Simplify right side
239,888.68x = 43,849,489,860.17 - Step 5: Solve for x
x = 43,849,489,860.17/239,888.68 - Step 6: Final answer
x = 182,790.99
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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.