Finding the Fourth Proportional to 339,316.45, 508,986.86 and 170,744.99
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Solution
The fourth proportional to 339,316.45, 508,986.86 and 170,744.99 is: 256,123.61
Step by Step Solution
- Step 1: Write the proportion equation
339,316.45 : 508,986.86 = 170,744.99 : x - Step 2: Convert to fraction form
339,316.45/508,986.86 = 170,744.99/x - Step 3: Cross multiply
339,316.45x = 508,986.86 × 170,744.99 - Step 4: Simplify right side
339,316.45x = 86,906,952,922.17 - Step 5: Solve for x
x = 86,906,952,922.17/339,316.45 - Step 6: Final answer
x = 256,123.61
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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.