Finding the Fourth Proportional to 438,823.21, 605,349.07 and 277,771.69
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Solution
The fourth proportional to 438,823.21, 605,349.07 and 277,771.69 is: 383,181.27
Step by Step Solution
- Step 1: Write the proportion equation
438,823.21 : 605,349.07 = 277,771.69 : x - Step 2: Convert to fraction form
438,823.21/605,349.07 = 277,771.69/x - Step 3: Cross multiply
438,823.21x = 605,349.07 × 277,771.69 - Step 4: Simplify right side
438,823.21x = 168,148,834,908.26 - Step 5: Solve for x
x = 168,148,834,908.26/438,823.21 - Step 6: Final answer
x = 383,181.27
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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.