Finding the Fourth Proportional to 358,620.20, 537,930.30 and 246,645.80
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Solution
The fourth proportional to 358,620.20, 537,930.30 and 246,645.80 is: 369,968.70
Step by Step Solution
- Step 1: Write the proportion equation
358,620.20 : 537,930.30 = 246,645.80 : x - Step 2: Convert to fraction form
358,620.20/537,930.30 = 246,645.80/x - Step 3: Cross multiply
358,620.20x = 537,930.30 × 246,645.80 - Step 4: Simplify right side
358,620.20x = 132,678,249,187.74 - Step 5: Solve for x
x = 132,678,249,187.74/358,620.20 - Step 6: Final answer
x = 369,968.70
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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.