Finding the Fourth Proportional to 396,265.18, 594,631.05 and 147,122.14
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Solution
The fourth proportional to 396,265.18, 594,631.05 and 147,122.14 is: 220,769.82
Step by Step Solution
- Step 1: Write the proportion equation
396,265.18 : 594,631.05 = 147,122.14 : x - Step 2: Convert to fraction form
396,265.18/594,631.05 = 147,122.14/x - Step 3: Cross multiply
396,265.18x = 594,631.05 × 147,122.14 - Step 4: Simplify right side
396,265.18x = 87,483,392,586.45 - Step 5: Solve for x
x = 87,483,392,586.45/396,265.18 - Step 6: Final answer
x = 220,769.82
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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.