Finding the Fourth Proportional to 358,619.20, 537,928.80 and 246,644.80
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Solution
The fourth proportional to 358,619.20, 537,928.80 and 246,644.80 is: 369,967.20
Step by Step Solution
- Step 1: Write the proportion equation
358,619.20 : 537,928.80 = 246,644.80 : x - Step 2: Convert to fraction form
358,619.20/537,928.80 = 246,644.80/x - Step 3: Cross multiply
358,619.20x = 537,928.80 × 246,644.80 - Step 4: Simplify right side
358,619.20x = 132,677,341,290.24 - Step 5: Solve for x
x = 132,677,341,290.24/358,619.20 - Step 6: Final answer
x = 369,967.20
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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.