Finding the Fourth Proportional to 298,933.33, 448,090.97 and 138,878.68
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Solution
The fourth proportional to 298,933.33, 448,090.97 and 138,878.68 is: 208,174.45
Step by Step Solution
- Step 1: Write the proportion equation
298,933.33 : 448,090.97 = 138,878.68 : x - Step 2: Convert to fraction form
298,933.33/448,090.97 = 138,878.68/x - Step 3: Cross multiply
298,933.33x = 448,090.97 × 138,878.68 - Step 4: Simplify right side
298,933.33x = 62,230,279,498.67 - Step 5: Solve for x
x = 62,230,279,498.67/298,933.33 - Step 6: Final answer
x = 208,174.45
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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.