Finding the Fourth Proportional to 339,317.45, 508,988.36 and 170,745.99
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Solution
The fourth proportional to 339,317.45, 508,988.36 and 170,745.99 is: 256,125.12
Step by Step Solution
- Step 1: Write the proportion equation
339,317.45 : 508,988.36 = 170,745.99 : x - Step 2: Convert to fraction form
339,317.45/508,988.36 = 170,745.99/x - Step 3: Cross multiply
339,317.45x = 508,988.36 × 170,745.99 - Step 4: Simplify right side
339,317.45x = 86,907,721,426.68 - Step 5: Solve for x
x = 86,907,721,426.68/339,317.45 - Step 6: Final answer
x = 256,125.12
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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.