Finding the Fourth Proportional to 239,660.80, 359,440.80 and 121,220.80
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Solution
The fourth proportional to 239,660.80, 359,440.80 and 121,220.80 is: 181,805.71
Step by Step Solution
- Step 1: Write the proportion equation
239,660.80 : 359,440.80 = 121,220.80 : x - Step 2: Convert to fraction form
239,660.80/359,440.80 = 121,220.80/x - Step 3: Cross multiply
239,660.80x = 359,440.80 × 121,220.80 - Step 4: Simplify right side
239,660.80x = 43,571,701,328.64 - Step 5: Solve for x
x = 43,571,701,328.64/239,660.80 - Step 6: Final answer
x = 181,805.71
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.