Finding the Fourth Proportional to 383,258.76, 575,396.80 and 327,457.44
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Solution
The fourth proportional to 383,258.76, 575,396.80 and 327,457.44 is: 491,620.76
Step by Step Solution
- Step 1: Write the proportion equation
383,258.76 : 575,396.80 = 327,457.44 : x - Step 2: Convert to fraction form
383,258.76/575,396.80 = 327,457.44/x - Step 3: Cross multiply
383,258.76x = 575,396.80 × 327,457.44 - Step 4: Simplify right side
383,258.76x = 188,417,963,112.19 - Step 5: Solve for x
x = 188,417,963,112.19/383,258.76 - Step 6: Final answer
x = 491,620.76
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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.