Finding the Fourth Proportional to 373,358.20, 561,419.70 and 312,532.60
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Solution
The fourth proportional to 373,358.20, 561,419.70 and 312,532.60 is: 469,956.09
Step by Step Solution
- Step 1: Write the proportion equation
373,358.20 : 561,419.70 = 312,532.60 : x - Step 2: Convert to fraction form
373,358.20/561,419.70 = 312,532.60/x - Step 3: Cross multiply
373,358.20x = 561,419.70 × 312,532.60 - Step 4: Simplify right side
373,358.20x = 175,461,958,532.22 - Step 5: Solve for x
x = 175,461,958,532.22/373,358.20 - Step 6: Final answer
x = 469,956.09
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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.