Finding the Fourth Proportional to 145,464.19, 218,194.09 and 65,445.65
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Solution
The fourth proportional to 145,464.19, 218,194.09 and 65,445.65 is: 98,167.49
Step by Step Solution
- Step 1: Write the proportion equation
145,464.19 : 218,194.09 = 65,445.65 : x - Step 2: Convert to fraction form
145,464.19/218,194.09 = 65,445.65/x - Step 3: Cross multiply
145,464.19x = 218,194.09 × 65,445.65 - Step 4: Simplify right side
145,464.19x = 14,279,854,046.21 - Step 5: Solve for x
x = 14,279,854,046.21/145,464.19 - Step 6: Final answer
x = 98,167.49
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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.