Finding the Fourth Proportional to 325,660.80, 488,548.80 and 115,420.80
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Solution
The fourth proportional to 325,660.80, 488,548.80 and 115,420.80 is: 173,151.61
Step by Step Solution
- Step 1: Write the proportion equation
325,660.80 : 488,548.80 = 115,420.80 : x - Step 2: Convert to fraction form
325,660.80/488,548.80 = 115,420.80/x - Step 3: Cross multiply
325,660.80x = 488,548.80 × 115,420.80 - Step 4: Simplify right side
325,660.80x = 56,388,693,335.04 - Step 5: Solve for x
x = 56,388,693,335.04/325,660.80 - Step 6: Final answer
x = 173,151.61
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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.