Finding the Fourth Proportional to 170,129.46, 254,862.05 and 125,067.70
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Solution
The fourth proportional to 170,129.46, 254,862.05 and 125,067.70 is: 187,357.37
Step by Step Solution
- Step 1: Write the proportion equation
170,129.46 : 254,862.05 = 125,067.70 : x - Step 2: Convert to fraction form
170,129.46/254,862.05 = 125,067.70/x - Step 3: Cross multiply
170,129.46x = 254,862.05 × 125,067.70 - Step 4: Simplify right side
170,129.46x = 31,875,008,670.43 - Step 5: Solve for x
x = 31,875,008,670.43/170,129.46 - Step 6: Final answer
x = 187,357.37
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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.