Finding the Fourth Proportional to 221,969.80, 332,954.70 and 74,225.80
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Solution
The fourth proportional to 221,969.80, 332,954.70 and 74,225.80 is: 111,338.70
Step by Step Solution
- Step 1: Write the proportion equation
221,969.80 : 332,954.70 = 74,225.80 : x - Step 2: Convert to fraction form
221,969.80/332,954.70 = 74,225.80/x - Step 3: Cross multiply
221,969.80x = 332,954.70 × 74,225.80 - Step 4: Simplify right side
221,969.80x = 24,713,828,971.26 - Step 5: Solve for x
x = 24,713,828,971.26/221,969.80 - Step 6: Final answer
x = 111,338.70
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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.