Finding the Fourth Proportional to 274,570.68, 411,698.36 and 146,329.14
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Solution
The fourth proportional to 274,570.68, 411,698.36 and 146,329.14 is: 219,409.69
Step by Step Solution
- Step 1: Write the proportion equation
274,570.68 : 411,698.36 = 146,329.14 : x - Step 2: Convert to fraction form
274,570.68/411,698.36 = 146,329.14/x - Step 3: Cross multiply
274,570.68x = 411,698.36 × 146,329.14 - Step 4: Simplify right side
274,570.68x = 60,243,466,958.21 - Step 5: Solve for x
x = 60,243,466,958.21/274,570.68 - Step 6: Final answer
x = 219,409.69
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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.