Finding the Fourth Proportional to 338,107.93, 507,211.35 and 101,469.31
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Solution
The fourth proportional to 338,107.93, 507,211.35 and 101,469.31 is: 152,218.81
Step by Step Solution
- Step 1: Write the proportion equation
338,107.93 : 507,211.35 = 101,469.31 : x - Step 2: Convert to fraction form
338,107.93/507,211.35 = 101,469.31/x - Step 3: Cross multiply
338,107.93x = 507,211.35 × 101,469.31 - Step 4: Simplify right side
338,107.93x = 51,466,385,708.67 - Step 5: Solve for x
x = 51,466,385,708.67/338,107.93 - Step 6: Final answer
x = 152,218.81
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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.