Finding the Fourth Proportional to 358,668.02, 494,958.14 and 197,519.63
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Solution
The fourth proportional to 358,668.02, 494,958.14 and 197,519.63 is: 272,575.03
Step by Step Solution
- Step 1: Write the proportion equation
358,668.02 : 494,958.14 = 197,519.63 : x - Step 2: Convert to fraction form
358,668.02/494,958.14 = 197,519.63/x - Step 3: Cross multiply
358,668.02x = 494,958.14 × 197,519.63 - Step 4: Simplify right side
358,668.02x = 97,763,945,215.90 - Step 5: Solve for x
x = 97,763,945,215.90/358,668.02 - Step 6: Final answer
x = 272,575.03
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.