Finding the Fourth Proportional to 239,833.13, 330,967.74 and 132,400.88
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Solution
The fourth proportional to 239,833.13, 330,967.74 and 132,400.88 is: 182,712.12
Step by Step Solution
- Step 1: Write the proportion equation
239,833.13 : 330,967.74 = 132,400.88 : x - Step 2: Convert to fraction form
239,833.13/330,967.74 = 132,400.88/x - Step 3: Cross multiply
239,833.13x = 330,967.74 × 132,400.88 - Step 4: Simplify right side
239,833.13x = 43,820,420,027.61 - Step 5: Solve for x
x = 43,820,420,027.61/239,833.13 - Step 6: Final answer
x = 182,712.12
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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.