Finding the Fourth Proportional to 461,512.80, 691,102.80 and 368,200.80
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Solution
The fourth proportional to 461,512.80, 691,102.80 and 368,200.80 is: 551,370.63
Step by Step Solution
- Step 1: Write the proportion equation
461,512.80 : 691,102.80 = 368,200.80 : x - Step 2: Convert to fraction form
461,512.80/691,102.80 = 368,200.80/x - Step 3: Cross multiply
461,512.80x = 691,102.80 × 368,200.80 - Step 4: Simplify right side
461,512.80x = 254,464,603,842.24 - Step 5: Solve for x
x = 254,464,603,842.24/461,512.80 - Step 6: Final answer
x = 551,370.63
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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.