Finding the Fourth Proportional to 338,329.97, 507,177.07 and 113,532.75
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Solution
The fourth proportional to 338,329.97, 507,177.07 and 113,532.75 is: 170,192.45
Step by Step Solution
- Step 1: Write the proportion equation
338,329.97 : 507,177.07 = 113,532.75 : x - Step 2: Convert to fraction form
338,329.97/507,177.07 = 113,532.75/x - Step 3: Cross multiply
338,329.97x = 507,177.07 × 113,532.75 - Step 4: Simplify right side
338,329.97x = 57,581,207,494.04 - Step 5: Solve for x
x = 57,581,207,494.04/338,329.97 - Step 6: Final answer
x = 170,192.45
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1.5x scale
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.