Finding the Fourth Proportional to 201,749.20, 302,623.80 and 170,645.20
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Solution
The fourth proportional to 201,749.20, 302,623.80 and 170,645.20 is: 255,967.80
Step by Step Solution
- Step 1: Write the proportion equation
201,749.20 : 302,623.80 = 170,645.20 : x - Step 2: Convert to fraction form
201,749.20/302,623.80 = 170,645.20/x - Step 3: Cross multiply
201,749.20x = 302,623.80 × 170,645.20 - Step 4: Simplify right side
201,749.20x = 51,641,298,875.76 - Step 5: Solve for x
x = 51,641,298,875.76/201,749.20 - Step 6: Final answer
x = 255,967.80
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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.