Finding the Fourth Proportional to 163,750.34, 245,757.90 and 84,887.12
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Solution
The fourth proportional to 163,750.34, 245,757.90 and 84,887.12 is: 127,399.31
Step by Step Solution
- Step 1: Write the proportion equation
163,750.34 : 245,757.90 = 84,887.12 : x - Step 2: Convert to fraction form
163,750.34/245,757.90 = 84,887.12/x - Step 3: Cross multiply
163,750.34x = 245,757.90 × 84,887.12 - Step 4: Simplify right side
163,750.34x = 20,861,680,348.25 - Step 5: Solve for x
x = 20,861,680,348.25/163,750.34 - Step 6: Final answer
x = 127,399.31
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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.