Finding the Fourth Proportional to 501,135.84, 691,580.16 and 274,785.12
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Solution
The fourth proportional to 501,135.84, 691,580.16 and 274,785.12 is: 379,210.43
Step by Step Solution
- Step 1: Write the proportion equation
501,135.84 : 691,580.16 = 274,785.12 : x - Step 2: Convert to fraction form
501,135.84/691,580.16 = 274,785.12/x - Step 3: Cross multiply
501,135.84x = 691,580.16 × 274,785.12 - Step 4: Simplify right side
501,135.84x = 190,035,937,255.22 - Step 5: Solve for x
x = 190,035,937,255.22/501,135.84 - Step 6: Final answer
x = 379,210.43
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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.