Finding the Fourth Proportional to 358,119.92, 537,241.08 and 147,642.80
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Solution
The fourth proportional to 358,119.92, 537,241.08 and 147,642.80 is: 221,489.43
Step by Step Solution
- Step 1: Write the proportion equation
358,119.92 : 537,241.08 = 147,642.80 : x - Step 2: Convert to fraction form
358,119.92/537,241.08 = 147,642.80/x - Step 3: Cross multiply
358,119.92x = 537,241.08 × 147,642.80 - Step 4: Simplify right side
358,119.92x = 79,319,777,326.22 - Step 5: Solve for x
x = 79,319,777,326.22/358,119.92 - Step 6: Final answer
x = 221,489.43
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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.