Finding the Fourth Proportional to 145,660.08, 218,495.52 and 52,165.68
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Solution
The fourth proportional to 145,660.08, 218,495.52 and 52,165.68 is: 78,250.45
Step by Step Solution
- Step 1: Write the proportion equation
145,660.08 : 218,495.52 = 52,165.68 : x - Step 2: Convert to fraction form
145,660.08/218,495.52 = 52,165.68/x - Step 3: Cross multiply
145,660.08x = 218,495.52 × 52,165.68 - Step 4: Simplify right side
145,660.08x = 11,397,967,377.75 - Step 5: Solve for x
x = 11,397,967,377.75/145,660.08 - Step 6: Final answer
x = 78,250.45
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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.