Finding the Fourth Proportional to 239,296.26, 330,224.59 and 130,401.55
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Solution
The fourth proportional to 239,296.26, 330,224.59 and 130,401.55 is: 179,951.82
Step by Step Solution
- Step 1: Write the proportion equation
239,296.26 : 330,224.59 = 130,401.55 : x - Step 2: Convert to fraction form
239,296.26/330,224.59 = 130,401.55/x - Step 3: Cross multiply
239,296.26x = 330,224.59 × 130,401.55 - Step 4: Simplify right side
239,296.26x = 43,061,798,959.90 - Step 5: Solve for x
x = 43,061,798,959.90/239,296.26 - Step 6: Final answer
x = 179,951.82
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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.