Finding the Fourth Proportional to 380,735.94, 525,348.99 and 217,317.84
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Solution
The fourth proportional to 380,735.94, 525,348.99 and 217,317.84 is: 299,860.59
Step by Step Solution
- Step 1: Write the proportion equation
380,735.94 : 525,348.99 = 217,317.84 : x - Step 2: Convert to fraction form
380,735.94/525,348.99 = 217,317.84/x - Step 3: Cross multiply
380,735.94x = 525,348.99 × 217,317.84 - Step 4: Simplify right side
380,735.94x = 114,167,705,782.92 - Step 5: Solve for x
x = 114,167,705,782.92/380,735.94 - Step 6: Final answer
x = 299,860.59
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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.