Finding the Fourth Proportional to 383,139.08, 574,756.33 and 130,400.14
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Solution
The fourth proportional to 383,139.08, 574,756.33 and 130,400.14 is: 195,616.45
Step by Step Solution
- Step 1: Write the proportion equation
383,139.08 : 574,756.33 = 130,400.14 : x - Step 2: Convert to fraction form
383,139.08/574,756.33 = 130,400.14/x - Step 3: Cross multiply
383,139.08x = 574,756.33 × 130,400.14 - Step 4: Simplify right side
383,139.08x = 74,948,305,245.89 - Step 5: Solve for x
x = 74,948,305,245.89/383,139.08 - Step 6: Final answer
x = 195,616.45
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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.