Finding the Fourth Proportional to 201,639.08, 302,645.42 and 101,869.56
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Solution
The fourth proportional to 201,639.08, 302,645.42 and 101,869.56 is: 152,898.71
Step by Step Solution
- Step 1: Write the proportion equation
201,639.08 : 302,645.42 = 101,869.56 : x - Step 2: Convert to fraction form
201,639.08/302,645.42 = 101,869.56/x - Step 3: Cross multiply
201,639.08x = 302,645.42 × 101,869.56 - Step 4: Simplify right side
201,639.08x = 30,830,355,771.42 - Step 5: Solve for x
x = 30,830,355,771.42/201,639.08 - Step 6: Final answer
x = 152,898.71
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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.