Finding the Fourth Proportional to 645,903.70, 968,743.77 and 196,515.70
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Solution
The fourth proportional to 645,903.70, 968,743.77 and 196,515.70 is: 294,739.54
Step by Step Solution
- Step 1: Write the proportion equation
645,903.70 : 968,743.77 = 196,515.70 : x - Step 2: Convert to fraction form
645,903.70/968,743.77 = 196,515.70/x - Step 3: Cross multiply
645,903.70x = 968,743.77 × 196,515.70 - Step 4: Simplify right side
645,903.70x = 190,373,360,082.19 - Step 5: Solve for x
x = 190,373,360,082.19/645,903.70 - Step 6: Final answer
x = 294,739.54
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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.