Finding the Fourth Proportional to 435,708.87, 653,581.76 and 136,195.12
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Solution
The fourth proportional to 435,708.87, 653,581.76 and 136,195.12 is: 204,298.45
Step by Step Solution
- Step 1: Write the proportion equation
435,708.87 : 653,581.76 = 136,195.12 : x - Step 2: Convert to fraction form
435,708.87/653,581.76 = 136,195.12/x - Step 3: Cross multiply
435,708.87x = 653,581.76 × 136,195.12 - Step 4: Simplify right side
435,708.87x = 89,014,647,135.11 - Step 5: Solve for x
x = 89,014,647,135.11/435,708.87 - Step 6: Final answer
x = 204,298.45
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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.