Finding the Fourth Proportional to 157,173.96, 235,758.63 and 38,845.31
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Solution
The fourth proportional to 157,173.96, 235,758.63 and 38,845.31 is: 58,267.39
Step by Step Solution
- Step 1: Write the proportion equation
157,173.96 : 235,758.63 = 38,845.31 : x - Step 2: Convert to fraction form
157,173.96/235,758.63 = 38,845.31/x - Step 3: Cross multiply
157,173.96x = 235,758.63 × 38,845.31 - Step 4: Simplify right side
157,173.96x = 9,158,117,067.53 - Step 5: Solve for x
x = 9,158,117,067.53/157,173.96 - Step 6: Final answer
x = 58,267.39
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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.