Finding the Fourth Proportional to 239,829.45, 330,955.97 and 132,397.18
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Solution
The fourth proportional to 239,829.45, 330,955.97 and 132,397.18 is: 182,703.32
Step by Step Solution
- Step 1: Write the proportion equation
239,829.45 : 330,955.97 = 132,397.18 : x - Step 2: Convert to fraction form
239,829.45/330,955.97 = 132,397.18/x - Step 3: Cross multiply
239,829.45x = 330,955.97 × 132,397.18 - Step 4: Simplify right side
239,829.45x = 43,817,635,642.79 - Step 5: Solve for x
x = 43,817,635,642.79/239,829.45 - Step 6: Final answer
x = 182,703.32
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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.