Finding the Fourth Proportional to 325,670.80, 488,563.80 and 115,430.80
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Solution
The fourth proportional to 325,670.80, 488,563.80 and 115,430.80 is: 173,166.62
Step by Step Solution
- Step 1: Write the proportion equation
325,670.80 : 488,563.80 = 115,430.80 : x - Step 2: Convert to fraction form
325,670.80/488,563.80 = 115,430.80/x - Step 3: Cross multiply
325,670.80x = 488,563.80 × 115,430.80 - Step 4: Simplify right side
325,670.80x = 56,395,310,285.04 - Step 5: Solve for x
x = 56,395,310,285.04/325,670.80 - Step 6: Final answer
x = 173,166.62
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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.