Finding the Fourth Proportional to 411,537.70, 617,306.55 and 366,922.90
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Solution
The fourth proportional to 411,537.70, 617,306.55 and 366,922.90 is: 550,384.35
Step by Step Solution
- Step 1: Write the proportion equation
411,537.70 : 617,306.55 = 366,922.90 : x - Step 2: Convert to fraction form
411,537.70/617,306.55 = 366,922.90/x - Step 3: Cross multiply
411,537.70x = 617,306.55 × 366,922.90 - Step 4: Simplify right side
411,537.70x = 226,503,909,515.00 - Step 5: Solve for x
x = 226,503,909,515.00/411,537.70 - Step 6: Final answer
x = 550,384.35
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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.