Finding the Fourth Proportional to 413,325.18, 620,217.41 and 223,782.75
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Solution
The fourth proportional to 413,325.18, 620,217.41 and 223,782.75 is: 335,798.45
Step by Step Solution
- Step 1: Write the proportion equation
413,325.18 : 620,217.41 = 223,782.75 : x - Step 2: Convert to fraction form
413,325.18/620,217.41 = 223,782.75/x - Step 3: Cross multiply
413,325.18x = 620,217.41 × 223,782.75 - Step 4: Simplify right side
413,325.18x = 138,793,956,488.76 - Step 5: Solve for x
x = 138,793,956,488.76/413,325.18 - Step 6: Final answer
x = 335,798.45
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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.