Finding the Fourth Proportional to 201,855.79, 302,790.80 and 106,957.74
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Solution
The fourth proportional to 201,855.79, 302,790.80 and 106,957.74 is: 160,440.38
Step by Step Solution
- Step 1: Write the proportion equation
201,855.79 : 302,790.80 = 106,957.74 : x - Step 2: Convert to fraction form
201,855.79/302,790.80 = 106,957.74/x - Step 3: Cross multiply
201,855.79x = 302,790.80 × 106,957.74 - Step 4: Simplify right side
201,855.79x = 32,385,819,928.19 - Step 5: Solve for x
x = 32,385,819,928.19/201,855.79 - Step 6: Final answer
x = 160,440.38
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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.