Finding the Fourth Proportional to 98,788.68, 148,194.36 and 32,209.92
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Solution
The fourth proportional to 98,788.68, 148,194.36 and 32,209.92 is: 48,318.58
Step by Step Solution
- Step 1: Write the proportion equation
98,788.68 : 148,194.36 = 32,209.92 : x - Step 2: Convert to fraction form
98,788.68/148,194.36 = 32,209.92/x - Step 3: Cross multiply
98,788.68x = 148,194.36 × 32,209.92 - Step 4: Simplify right side
98,788.68x = 4,773,328,480.05 - Step 5: Solve for x
x = 4,773,328,480.05/98,788.68 - Step 6: Final answer
x = 48,318.58
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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.