Finding the Fourth Proportional to 239,398.99, 330,367.03 and 131,966.71
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Solution
The fourth proportional to 239,398.99, 330,367.03 and 131,966.71 is: 182,112.09
Step by Step Solution
- Step 1: Write the proportion equation
239,398.99 : 330,367.03 = 131,966.71 : x - Step 2: Convert to fraction form
239,398.99/330,367.03 = 131,966.71/x - Step 3: Cross multiply
239,398.99x = 330,367.03 × 131,966.71 - Step 4: Simplify right side
239,398.99x = 43,597,448,885.74 - Step 5: Solve for x
x = 43,597,448,885.74/239,398.99 - Step 6: Final answer
x = 182,112.09
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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.