Finding the Fourth Proportional to 338,515.49, 507,797.73 and 113,874.95
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Solution
The fourth proportional to 338,515.49, 507,797.73 and 113,874.95 is: 170,820.66
Step by Step Solution
- Step 1: Write the proportion equation
338,515.49 : 507,797.73 = 113,874.95 : x - Step 2: Convert to fraction form
338,515.49/507,797.73 = 113,874.95/x - Step 3: Cross multiply
338,515.49x = 507,797.73 × 113,874.95 - Step 4: Simplify right side
338,515.49x = 57,825,438,574.87 - Step 5: Solve for x
x = 57,825,438,574.87/338,515.49 - Step 6: Final answer
x = 170,820.66
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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.