Finding the Fourth Proportional to 201,368.16, 302,045.76 and 68,247.36
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Solution
The fourth proportional to 201,368.16, 302,045.76 and 68,247.36 is: 102,368.84
Step by Step Solution
- Step 1: Write the proportion equation
201,368.16 : 302,045.76 = 68,247.36 : x - Step 2: Convert to fraction form
201,368.16/302,045.76 = 68,247.36/x - Step 3: Cross multiply
201,368.16x = 302,045.76 × 68,247.36 - Step 4: Simplify right side
201,368.16x = 20,613,825,719.19 - Step 5: Solve for x
x = 20,613,825,719.19/201,368.16 - Step 6: Final answer
x = 102,368.84
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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.