Finding the Fourth Proportional to 338,519.60, 507,633.60 and 169,974.80
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Solution
The fourth proportional to 338,519.60, 507,633.60 and 169,974.80 is: 254,888.99
Step by Step Solution
- Step 1: Write the proportion equation
338,519.60 : 507,633.60 = 169,974.80 : x - Step 2: Convert to fraction form
338,519.60/507,633.60 = 169,974.80/x - Step 3: Cross multiply
338,519.60x = 507,633.60 × 169,974.80 - Step 4: Simplify right side
338,519.60x = 86,284,919,633.28 - Step 5: Solve for x
x = 86,284,919,633.28/338,519.60 - Step 6: Final answer
x = 254,888.99
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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.