Finding the Fourth Proportional to 380,670.20, 525,087.05 and 244,880.99
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Solution
The fourth proportional to 380,670.20, 525,087.05 and 244,880.99 is: 337,782.77
Step by Step Solution
- Step 1: Write the proportion equation
380,670.20 : 525,087.05 = 244,880.99 : x - Step 2: Convert to fraction form
380,670.20/525,087.05 = 244,880.99/x - Step 3: Cross multiply
380,670.20x = 525,087.05 × 244,880.99 - Step 4: Simplify right side
380,670.20x = 128,583,832,790.34 - Step 5: Solve for x
x = 128,583,832,790.34/380,670.20 - Step 6: Final answer
x = 337,782.77
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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.