Finding the Fourth Proportional to 640,134.92, 960,202.70 and 166,819.08
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Solution
The fourth proportional to 640,134.92, 960,202.70 and 166,819.08 is: 250,228.70
Step by Step Solution
- Step 1: Write the proportion equation
640,134.92 : 960,202.70 = 166,819.08 : x - Step 2: Convert to fraction form
640,134.92/960,202.70 = 166,819.08/x - Step 3: Cross multiply
640,134.92x = 960,202.70 × 166,819.08 - Step 4: Simplify right side
640,134.92x = 160,180,131,027.52 - Step 5: Solve for x
x = 160,180,131,027.52/640,134.92 - Step 6: Final answer
x = 250,228.70
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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.