Finding the Fourth Proportional to 277,771.04, 383,296.64 and 155,240.80
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Solution
The fourth proportional to 277,771.04, 383,296.64 and 155,240.80 is: 214,216.99
Step by Step Solution
- Step 1: Write the proportion equation
277,771.04 : 383,296.64 = 155,240.80 : x - Step 2: Convert to fraction form
277,771.04/383,296.64 = 155,240.80/x - Step 3: Cross multiply
277,771.04x = 383,296.64 × 155,240.80 - Step 4: Simplify right side
277,771.04x = 59,503,277,030.91 - Step 5: Solve for x
x = 59,503,277,030.91/277,771.04 - Step 6: Final answer
x = 214,216.99
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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.