Finding the Fourth Proportional to 317,279.18, 475,603.40 and 159,024.62
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Solution
The fourth proportional to 317,279.18, 475,603.40 and 159,024.62 is: 238,378.86
Step by Step Solution
- Step 1: Write the proportion equation
317,279.18 : 475,603.40 = 159,024.62 : x - Step 2: Convert to fraction form
317,279.18/475,603.40 = 159,024.62/x - Step 3: Cross multiply
317,279.18x = 475,603.40 × 159,024.62 - Step 4: Simplify right side
317,279.18x = 75,632,647,975.25 - Step 5: Solve for x
x = 75,632,647,975.25/317,279.18 - Step 6: Final answer
x = 238,378.86
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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.