Finding the Fourth Proportional to 741,136.34, 1,111,770.16 and 208,661.99
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Solution
The fourth proportional to 741,136.34, 1,111,770.16 and 208,661.99 is: 313,011.46
Step by Step Solution
- Step 1: Write the proportion equation
741,136.34 : 1,111,770.16 = 208,661.99 : x - Step 2: Convert to fraction form
741,136.34/1,111,770.16 = 208,661.99/x - Step 3: Cross multiply
741,136.34x = 1,111,770.16 × 208,661.99 - Step 4: Simplify right side
741,136.34x = 231,984,167,927.71 - Step 5: Solve for x
x = 231,984,167,927.71/741,136.34 - Step 6: Final answer
x = 313,011.46
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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.