Finding the Fourth Proportional to 147,005.36, 202,862.58 and 82,470.68
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Solution
The fourth proportional to 147,005.36, 202,862.58 and 82,470.68 is: 113,806.84
Step by Step Solution
- Step 1: Write the proportion equation
147,005.36 : 202,862.58 = 82,470.68 : x - Step 2: Convert to fraction form
147,005.36/202,862.58 = 82,470.68/x - Step 3: Cross multiply
147,005.36x = 202,862.58 × 82,470.68 - Step 4: Simplify right side
147,005.36x = 16,730,214,919.15 - Step 5: Solve for x
x = 16,730,214,919.15/147,005.36 - Step 6: Final answer
x = 113,806.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.