Finding the Fourth Proportional to 298,785.16, 448,303.74 and 121,246.12
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Solution
The fourth proportional to 298,785.16, 448,303.74 and 121,246.12 is: 181,920.31
Step by Step Solution
- Step 1: Write the proportion equation
298,785.16 : 448,303.74 = 121,246.12 : x - Step 2: Convert to fraction form
298,785.16/448,303.74 = 121,246.12/x - Step 3: Cross multiply
298,785.16x = 448,303.74 × 121,246.12 - Step 4: Simplify right side
298,785.16x = 54,355,089,056.49 - Step 5: Solve for x
x = 54,355,089,056.49/298,785.16 - Step 6: Final answer
x = 181,920.31
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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.