Finding the Fourth Proportional to 232,012.81, 347,945.10 and 74,203.75
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Solution
The fourth proportional to 232,012.81, 347,945.10 and 74,203.75 is: 111,281.92
Step by Step Solution
- Step 1: Write the proportion equation
232,012.81 : 347,945.10 = 74,203.75 : x - Step 2: Convert to fraction form
232,012.81/347,945.10 = 74,203.75/x - Step 3: Cross multiply
232,012.81x = 347,945.10 × 74,203.75 - Step 4: Simplify right side
232,012.81x = 25,818,831,214.13 - Step 5: Solve for x
x = 25,818,831,214.13/232,012.81 - Step 6: Final answer
x = 111,281.92
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1.5x scale
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.