Finding the Fourth Proportional to 232,011.81, 347,943.60 and 74,202.75
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Solution
The fourth proportional to 232,011.81, 347,943.60 and 74,202.75 is: 111,280.42
Step by Step Solution
- Step 1: Write the proportion equation
232,011.81 : 347,943.60 = 74,202.75 : x - Step 2: Convert to fraction form
232,011.81/347,943.60 = 74,202.75/x - Step 3: Cross multiply
232,011.81x = 347,943.60 × 74,202.75 - Step 4: Simplify right side
232,011.81x = 25,818,371,964.90 - Step 5: Solve for x
x = 25,818,371,964.90/232,011.81 - Step 6: Final answer
x = 111,280.42
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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.