Finding the Fourth Proportional to 358,119.42, 494,291.08 and 205,247.20
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Solution
The fourth proportional to 358,119.42, 494,291.08 and 205,247.20 is: 283,290.59
Step by Step Solution
- Step 1: Write the proportion equation
358,119.42 : 494,291.08 = 205,247.20 : x - Step 2: Convert to fraction form
358,119.42/494,291.08 = 205,247.20/x - Step 3: Cross multiply
358,119.42x = 494,291.08 × 205,247.20 - Step 4: Simplify right side
358,119.42x = 101,451,860,154.98 - Step 5: Solve for x
x = 101,451,860,154.98/358,119.42 - Step 6: Final answer
x = 283,290.59
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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.