Finding the Fourth Proportional to 145,067.49, 217,590.93 and 38,449.08
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Solution
The fourth proportional to 145,067.49, 217,590.93 and 38,449.08 is: 57,670.89
Step by Step Solution
- Step 1: Write the proportion equation
145,067.49 : 217,590.93 = 38,449.08 : x - Step 2: Convert to fraction form
145,067.49/217,590.93 = 38,449.08/x - Step 3: Cross multiply
145,067.49x = 217,590.93 × 38,449.08 - Step 4: Simplify right side
145,067.49x = 8,366,171,074.84 - Step 5: Solve for x
x = 8,366,171,074.84/145,067.49 - Step 6: Final answer
x = 57,670.89
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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.