Finding the Fourth Proportional to 366,851.70, 550,277.55 and 145,235.70
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Solution
The fourth proportional to 366,851.70, 550,277.55 and 145,235.70 is: 217,853.55
Step by Step Solution
- Step 1: Write the proportion equation
366,851.70 : 550,277.55 = 145,235.70 : x - Step 2: Convert to fraction form
366,851.70/550,277.55 = 145,235.70/x - Step 3: Cross multiply
366,851.70x = 550,277.55 × 145,235.70 - Step 4: Simplify right side
366,851.70x = 79,919,945,168.54 - Step 5: Solve for x
x = 79,919,945,168.54/366,851.70 - Step 6: Final answer
x = 217,853.55
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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.