Finding the Fourth Proportional to 201,785.70, 302,678.55 and 54,041.70
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Solution
The fourth proportional to 201,785.70, 302,678.55 and 54,041.70 is: 81,062.55
Step by Step Solution
- Step 1: Write the proportion equation
201,785.70 : 302,678.55 = 54,041.70 : x - Step 2: Convert to fraction form
201,785.70/302,678.55 = 54,041.70/x - Step 3: Cross multiply
201,785.70x = 302,678.55 × 54,041.70 - Step 4: Simplify right side
201,785.70x = 16,357,263,395.54 - Step 5: Solve for x
x = 16,357,263,395.54/201,785.70 - Step 6: Final answer
x = 81,062.55
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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.