Finding the Fourth Proportional to 201,668.04, 302,547.58 and 66,731.76
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Solution
The fourth proportional to 201,668.04, 302,547.58 and 66,731.76 is: 100,112.70
Step by Step Solution
- Step 1: Write the proportion equation
201,668.04 : 302,547.58 = 66,731.76 : x - Step 2: Convert to fraction form
201,668.04/302,547.58 = 66,731.76/x - Step 3: Cross multiply
201,668.04x = 302,547.58 × 66,731.76 - Step 4: Simplify right side
201,668.04x = 20,189,532,497.14 - Step 5: Solve for x
x = 20,189,532,497.14/201,668.04 - Step 6: Final answer
x = 100,112.70
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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.