Finding the Fourth Proportional to 494,430.75, 741,608.87 and 157,457.79
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Solution
The fourth proportional to 494,430.75, 741,608.87 and 157,457.79 is: 236,174.82
Step by Step Solution
- Step 1: Write the proportion equation
494,430.75 : 741,608.87 = 157,457.79 : x - Step 2: Convert to fraction form
494,430.75/741,608.87 = 157,457.79/x - Step 3: Cross multiply
494,430.75x = 741,608.87 × 157,457.79 - Step 4: Simplify right side
494,430.75x = 116,772,092,927.31 - Step 5: Solve for x
x = 116,772,092,927.31/494,430.75 - Step 6: Final answer
x = 236,174.82
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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.