Finding the Fourth Proportional to 634,749.36, 952,119.93 and 161,430.63
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Solution
The fourth proportional to 634,749.36, 952,119.93 and 161,430.63 is: 242,144.90
Step by Step Solution
- Step 1: Write the proportion equation
634,749.36 : 952,119.93 = 161,430.63 : x - Step 2: Convert to fraction form
634,749.36/952,119.93 = 161,430.63/x - Step 3: Cross multiply
634,749.36x = 952,119.93 × 161,430.63 - Step 4: Simplify right side
634,749.36x = 153,701,320,135.46 - Step 5: Solve for x
x = 153,701,320,135.46/634,749.36 - Step 6: Final answer
x = 242,144.90
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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.