Finding the Fourth Proportional to 157,487.75, 236,231.63 and 46,679.75
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Solution
The fourth proportional to 157,487.75, 236,231.63 and 46,679.75 is: 70,019.63
Step by Step Solution
- Step 1: Write the proportion equation
157,487.75 : 236,231.63 = 46,679.75 : x - Step 2: Convert to fraction form
157,487.75/236,231.63 = 46,679.75/x - Step 3: Cross multiply
157,487.75x = 236,231.63 × 46,679.75 - Step 4: Simplify right side
157,487.75x = 11,027,233,430.49 - Step 5: Solve for x
x = 11,027,233,430.49/157,487.75 - Step 6: Final answer
x = 70,019.63
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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.