Finding the Fourth Proportional to 474,782.34, 655,214.40 and 259,942.44
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Solution
The fourth proportional to 474,782.34, 655,214.40 and 259,942.44 is: 358,728.65
Step by Step Solution
- Step 1: Write the proportion equation
474,782.34 : 655,214.40 = 259,942.44 : x - Step 2: Convert to fraction form
474,782.34/655,214.40 = 259,942.44/x - Step 3: Cross multiply
474,782.34x = 655,214.40 × 259,942.44 - Step 4: Simplify right side
474,782.34x = 170,318,029,859.14 - Step 5: Solve for x
x = 170,318,029,859.14/474,782.34 - Step 6: Final answer
x = 358,728.65
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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.