Finding the Fourth Proportional to 239,808.04, 330,933.26 and 132,378.14
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Solution
The fourth proportional to 239,808.04, 330,933.26 and 132,378.14 is: 182,680.82
Step by Step Solution
- Step 1: Write the proportion equation
239,808.04 : 330,933.26 = 132,378.14 : x - Step 2: Convert to fraction form
239,808.04/330,933.26 = 132,378.14/x - Step 3: Cross multiply
239,808.04x = 330,933.26 × 132,378.14 - Step 4: Simplify right side
239,808.04x = 43,808,329,422.94 - Step 5: Solve for x
x = 43,808,329,422.94/239,808.04 - Step 6: Final answer
x = 182,680.82
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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.