Finding the Fourth Proportional to 457,135.29, 685,883.43 and 141,616.80
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Solution
The fourth proportional to 457,135.29, 685,883.43 and 141,616.80 is: 212,481.12
Step by Step Solution
- Step 1: Write the proportion equation
457,135.29 : 685,883.43 = 141,616.80 : x - Step 2: Convert to fraction form
457,135.29/685,883.43 = 141,616.80/x - Step 3: Cross multiply
457,135.29x = 685,883.43 × 141,616.80 - Step 4: Simplify right side
457,135.29x = 97,132,616,529.62 - Step 5: Solve for x
x = 97,132,616,529.62/457,135.29 - Step 6: Final answer
x = 212,481.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.