Finding the Fourth Proportional to 145,107.76, 217,098.48 and 127,203.75
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Solution
The fourth proportional to 145,107.76, 217,098.48 and 127,203.75 is: 190,311.95
Step by Step Solution
- Step 1: Write the proportion equation
145,107.76 : 217,098.48 = 127,203.75 : x - Step 2: Convert to fraction form
145,107.76/217,098.48 = 127,203.75/x - Step 3: Cross multiply
145,107.76x = 217,098.48 × 127,203.75 - Step 4: Simplify right side
145,107.76x = 27,615,739,689.81 - Step 5: Solve for x
x = 27,615,739,689.81/145,107.76 - Step 6: Final answer
x = 190,311.95
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1.5x scale
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.