Finding the Fourth Proportional to 600,639.81, 901,038.99 and 221,826.80
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Solution
The fourth proportional to 600,639.81, 901,038.99 and 221,826.80 is: 332,769.47
Step by Step Solution
- Step 1: Write the proportion equation
600,639.81 : 901,038.99 = 221,826.80 : x - Step 2: Convert to fraction form
600,639.81/901,038.99 = 221,826.80/x - Step 3: Cross multiply
600,639.81x = 901,038.99 × 221,826.80 - Step 4: Simplify right side
600,639.81x = 199,874,591,321.74 - Step 5: Solve for x
x = 199,874,591,321.74/600,639.81 - Step 6: Final answer
x = 332,769.47
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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.