Finding the Fourth Proportional to 239,687.79, 330,768.75 and 132,257.74
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Solution
The fourth proportional to 239,687.79, 330,768.75 and 132,257.74 is: 182,515.46
Step by Step Solution
- Step 1: Write the proportion equation
239,687.79 : 330,768.75 = 132,257.74 : x - Step 2: Convert to fraction form
239,687.79/330,768.75 = 132,257.74/x - Step 3: Cross multiply
239,687.79x = 330,768.75 × 132,257.74 - Step 4: Simplify right side
239,687.79x = 43,746,727,337.63 - Step 5: Solve for x
x = 43,746,727,337.63/239,687.79 - Step 6: Final answer
x = 182,515.46
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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.