Finding the Fourth Proportional to 98,688.36, 148,040.64 and 32,110.68
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Solution
The fourth proportional to 98,688.36, 148,040.64 and 32,110.68 is: 48,168.66
Step by Step Solution
- Step 1: Write the proportion equation
98,688.36 : 148,040.64 = 32,110.68 : x - Step 2: Convert to fraction form
98,688.36/148,040.64 = 32,110.68/x - Step 3: Cross multiply
98,688.36x = 148,040.64 × 32,110.68 - Step 4: Simplify right side
98,688.36x = 4,753,685,618.04 - Step 5: Solve for x
x = 4,753,685,618.04/98,688.36 - Step 6: Final answer
x = 48,168.66
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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.