Finding the Fourth Proportional to 298,993.60, 448,480.68 and 121,448.08
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Solution
The fourth proportional to 298,993.60, 448,480.68 and 121,448.08 is: 182,168.17
Step by Step Solution
- Step 1: Write the proportion equation
298,993.60 : 448,480.68 = 121,448.08 : x - Step 2: Convert to fraction form
298,993.60/448,480.68 = 121,448.08/x - Step 3: Cross multiply
298,993.60x = 448,480.68 × 121,448.08 - Step 4: Simplify right side
298,993.60x = 54,467,117,503.09 - Step 5: Solve for x
x = 54,467,117,503.09/298,993.60 - Step 6: Final answer
x = 182,168.17
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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.