Finding the Fourth Proportional to 358,478.73, 537,126.39 and 208,297.44
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Solution
The fourth proportional to 358,478.73, 537,126.39 and 208,297.44 is: 312,102.34
Step by Step Solution
- Step 1: Write the proportion equation
358,478.73 : 537,126.39 = 208,297.44 : x - Step 2: Convert to fraction form
358,478.73/537,126.39 = 208,297.44/x - Step 3: Cross multiply
358,478.73x = 537,126.39 × 208,297.44 - Step 4: Simplify right side
358,478.73x = 111,882,051,993.44 - Step 5: Solve for x
x = 111,882,051,993.44/358,478.73 - Step 6: Final answer
x = 312,102.34
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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.