Finding the Fourth Proportional to 157,647.68, 236,471.52 and 105,159.68
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Solution
The fourth proportional to 157,647.68, 236,471.52 and 105,159.68 is: 157,739.52
Step by Step Solution
- Step 1: Write the proportion equation
157,647.68 : 236,471.52 = 105,159.68 : x - Step 2: Convert to fraction form
157,647.68/236,471.52 = 105,159.68/x - Step 3: Cross multiply
157,647.68x = 236,471.52 × 105,159.68 - Step 4: Simplify right side
157,647.68x = 24,867,269,372.31 - Step 5: Solve for x
x = 24,867,269,372.31/157,647.68 - Step 6: Final answer
x = 157,739.52
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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.