Finding the Fourth Proportional to 463,132.70, 694,601.83 and 130,630.94
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Solution
The fourth proportional to 463,132.70, 694,601.83 and 130,630.94 is: 195,918.99
Step by Step Solution
- Step 1: Write the proportion equation
463,132.70 : 694,601.83 = 130,630.94 : x - Step 2: Convert to fraction form
463,132.70/694,601.83 = 130,630.94/x - Step 3: Cross multiply
463,132.70x = 694,601.83 × 130,630.94 - Step 4: Simplify right side
463,132.70x = 90,736,489,978.62 - Step 5: Solve for x
x = 90,736,489,978.62/463,132.70 - Step 6: Final answer
x = 195,918.99
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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.