Finding the Fourth Proportional to 79,299.42, 118,946.84 and 29,378.40
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Solution
The fourth proportional to 79,299.42, 118,946.84 and 29,378.40 is: 44,066.75
Step by Step Solution
- Step 1: Write the proportion equation
79,299.42 : 118,946.84 = 29,378.40 : x - Step 2: Convert to fraction form
79,299.42/118,946.84 = 29,378.40/x - Step 3: Cross multiply
79,299.42x = 118,946.84 × 29,378.40 - Step 4: Simplify right side
79,299.42x = 3,494,467,697.36 - Step 5: Solve for x
x = 3,494,467,697.36/79,299.42 - Step 6: Final answer
x = 44,066.75
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1.5x scale
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.