Finding the Fourth Proportional to 411,542.45, 617,313.68 and 366,927.65
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Solution
The fourth proportional to 411,542.45, 617,313.68 and 366,927.65 is: 550,391.48
Step by Step Solution
- Step 1: Write the proportion equation
411,542.45 : 617,313.68 = 366,927.65 : x - Step 2: Convert to fraction form
411,542.45/617,313.68 = 366,927.65/x - Step 3: Cross multiply
411,542.45x = 617,313.68 × 366,927.65 - Step 4: Simplify right side
411,542.45x = 226,509,457,915.25 - Step 5: Solve for x
x = 226,509,457,915.25/411,542.45 - Step 6: Final answer
x = 550,391.48
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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.