Finding the Fourth Proportional to 313,937.64, 433,232.96 and 170,698.05
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Solution
The fourth proportional to 313,937.64, 433,232.96 and 170,698.05 is: 235,562.77
Step by Step Solution
- Step 1: Write the proportion equation
313,937.64 : 433,232.96 = 170,698.05 : x - Step 2: Convert to fraction form
313,937.64/433,232.96 = 170,698.05/x - Step 3: Cross multiply
313,937.64x = 433,232.96 × 170,698.05 - Step 4: Simplify right side
313,937.64x = 73,952,020,614.24 - Step 5: Solve for x
x = 73,952,020,614.24/313,937.64 - Step 6: Final answer
x = 235,562.77
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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.