Finding the Fourth Proportional to 358,860.99, 538,396.74 and 106,148.13
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Solution
The fourth proportional to 358,860.99, 538,396.74 and 106,148.13 is: 159,253.33
Step by Step Solution
- Step 1: Write the proportion equation
358,860.99 : 538,396.74 = 106,148.13 : x - Step 2: Convert to fraction form
358,860.99/538,396.74 = 106,148.13/x - Step 3: Cross multiply
358,860.99x = 538,396.74 × 106,148.13 - Step 4: Simplify right side
358,860.99x = 57,149,806,751.04 - Step 5: Solve for x
x = 57,149,806,751.04/358,860.99 - Step 6: Final answer
x = 159,253.33
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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.