Finding the Fourth Proportional to 480,195.15, 720,292.74 and 164,654.79
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Solution
The fourth proportional to 480,195.15, 720,292.74 and 164,654.79 is: 246,982.19
Step by Step Solution
- Step 1: Write the proportion equation
480,195.15 : 720,292.74 = 164,654.79 : x - Step 2: Convert to fraction form
480,195.15/720,292.74 = 164,654.79/x - Step 3: Cross multiply
480,195.15x = 720,292.74 × 164,654.79 - Step 4: Simplify right side
480,195.15x = 118,599,649,843.23 - Step 5: Solve for x
x = 118,599,649,843.23/480,195.15 - Step 6: Final answer
x = 246,982.19
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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.