Finding the Fourth Proportional to 175,709.09, 263,579.83 and 57,381.05
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Solution
The fourth proportional to 175,709.09, 263,579.83 and 57,381.05 is: 86,076.86
Step by Step Solution
- Step 1: Write the proportion equation
175,709.09 : 263,579.83 = 57,381.05 : x - Step 2: Convert to fraction form
175,709.09/263,579.83 = 57,381.05/x - Step 3: Cross multiply
175,709.09x = 263,579.83 × 57,381.05 - Step 4: Simplify right side
175,709.09x = 15,124,487,404.22 - Step 5: Solve for x
x = 15,124,487,404.22/175,709.09 - Step 6: Final answer
x = 86,076.86
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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.