Finding the Fourth Proportional to 298,788.66, 448,308.99 and 121,249.62
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Solution
The fourth proportional to 298,788.66, 448,308.99 and 121,249.62 is: 181,925.56
Step by Step Solution
- Step 1: Write the proportion equation
298,788.66 : 448,308.99 = 121,249.62 : x - Step 2: Convert to fraction form
298,788.66/448,308.99 = 121,249.62/x - Step 3: Cross multiply
298,788.66x = 448,308.99 × 121,249.62 - Step 4: Simplify right side
298,788.66x = 54,357,294,680.08 - Step 5: Solve for x
x = 54,357,294,680.08/298,788.66 - Step 6: Final answer
x = 181,925.56
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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.