Finding the Fourth Proportional to 454,876.71, 682,305.74 and 202,088.67
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Solution
The fourth proportional to 454,876.71, 682,305.74 and 202,088.67 is: 303,128.86
Step by Step Solution
- Step 1: Write the proportion equation
454,876.71 : 682,305.74 = 202,088.67 : x - Step 2: Convert to fraction form
454,876.71/682,305.74 = 202,088.67/x - Step 3: Cross multiply
454,876.71x = 682,305.74 × 202,088.67 - Step 4: Simplify right side
454,876.71x = 137,886,258,519.52 - Step 5: Solve for x
x = 137,886,258,519.52/454,876.71 - Step 6: Final answer
x = 303,128.86
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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.