Finding the Fourth Proportional to 330,121.07, 495,181.79 and 180,279.44
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Solution
The fourth proportional to 330,121.07, 495,181.79 and 180,279.44 is: 270,419.26
Step by Step Solution
- Step 1: Write the proportion equation
330,121.07 : 495,181.79 = 180,279.44 : x - Step 2: Convert to fraction form
330,121.07/495,181.79 = 180,279.44/x - Step 3: Cross multiply
330,121.07x = 495,181.79 × 180,279.44 - Step 4: Simplify right side
330,121.07x = 89,271,094,955.07 - Step 5: Solve for x
x = 89,271,094,955.07/330,121.07 - Step 6: Final answer
x = 270,419.26
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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.