Finding the Fourth Proportional to 645,794.24, 968,727.76 and 196,529.68
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Solution
The fourth proportional to 645,794.24, 968,727.76 and 196,529.68 is: 294,805.60
Step by Step Solution
- Step 1: Write the proportion equation
645,794.24 : 968,727.76 = 196,529.68 : x - Step 2: Convert to fraction form
645,794.24/968,727.76 = 196,529.68/x - Step 3: Cross multiply
645,794.24x = 968,727.76 × 196,529.68 - Step 4: Simplify right side
645,794.24x = 190,383,756,679.92 - Step 5: Solve for x
x = 190,383,756,679.92/645,794.24 - Step 6: Final answer
x = 294,805.60
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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.