Finding the Fourth Proportional to 201,555.06, 302,321.65 and 61,302.75
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Solution
The fourth proportional to 201,555.06, 302,321.65 and 61,302.75 is: 91,950.80
Step by Step Solution
- Step 1: Write the proportion equation
201,555.06 : 302,321.65 = 61,302.75 : x - Step 2: Convert to fraction form
201,555.06/302,321.65 = 61,302.75/x - Step 3: Cross multiply
201,555.06x = 302,321.65 × 61,302.75 - Step 4: Simplify right side
201,555.06x = 18,533,148,529.54 - Step 5: Solve for x
x = 18,533,148,529.54/201,555.06 - Step 6: Final answer
x = 91,950.80
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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.