Finding the Fourth Proportional to 480,079.80, 720,119.70 and 164,539.80
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Solution
The fourth proportional to 480,079.80, 720,119.70 and 164,539.80 is: 246,809.70
Step by Step Solution
- Step 1: Write the proportion equation
480,079.80 : 720,119.70 = 164,539.80 : x - Step 2: Convert to fraction form
480,079.80/720,119.70 = 164,539.80/x - Step 3: Cross multiply
480,079.80x = 720,119.70 × 164,539.80 - Step 4: Simplify right side
480,079.80x = 118,488,351,414.06 - Step 5: Solve for x
x = 118,488,351,414.06/480,079.80 - Step 6: Final answer
x = 246,809.70
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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.