Finding the Fourth Proportional to 410,911.79, 567,418.97 and 258,214.53
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Solution
The fourth proportional to 410,911.79, 567,418.97 and 258,214.53 is: 356,562.72
Step by Step Solution
- Step 1: Write the proportion equation
410,911.79 : 567,418.97 = 258,214.53 : x - Step 2: Convert to fraction form
410,911.79/567,418.97 = 258,214.53/x - Step 3: Cross multiply
410,911.79x = 567,418.97 × 258,214.53 - Step 4: Simplify right side
410,911.79x = 146,515,825,424.99 - Step 5: Solve for x
x = 146,515,825,424.99/410,911.79 - Step 6: Final answer
x = 356,562.72
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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.