Finding the Fourth Proportional to 94,242.30, 141,348.60 and 78,333.99
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Solution
The fourth proportional to 94,242.30, 141,348.60 and 78,333.99 is: 117,488.64
Step by Step Solution
- Step 1: Write the proportion equation
94,242.30 : 141,348.60 = 78,333.99 : x - Step 2: Convert to fraction form
94,242.30/141,348.60 = 78,333.99/x - Step 3: Cross multiply
94,242.30x = 141,348.60 × 78,333.99 - Step 4: Simplify right side
94,242.30x = 11,072,399,818.91 - Step 5: Solve for x
x = 11,072,399,818.91/94,242.30 - Step 6: Final answer
x = 117,488.64
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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.