Finding the Fourth Proportional to 201,694.70, 301,885.95 and 157,079.90
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Solution
The fourth proportional to 201,694.70, 301,885.95 and 157,079.90 is: 235,108.88
Step by Step Solution
- Step 1: Write the proportion equation
201,694.70 : 301,885.95 = 157,079.90 : x - Step 2: Convert to fraction form
201,694.70/301,885.95 = 157,079.90/x - Step 3: Cross multiply
201,694.70x = 301,885.95 × 157,079.90 - Step 4: Simplify right side
201,694.70x = 47,420,214,837.41 - Step 5: Solve for x
x = 47,420,214,837.41/201,694.70 - Step 6: Final answer
x = 235,108.88
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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.