Finding the Fourth Proportional to 116,579.70, 174,869.55 and 106,859.70
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Solution
The fourth proportional to 116,579.70, 174,869.55 and 106,859.70 is: 160,289.55
Step by Step Solution
- Step 1: Write the proportion equation
116,579.70 : 174,869.55 = 106,859.70 : x - Step 2: Convert to fraction form
116,579.70/174,869.55 = 106,859.70/x - Step 3: Cross multiply
116,579.70x = 174,869.55 × 106,859.70 - Step 4: Simplify right side
116,579.70x = 18,686,507,652.14 - Step 5: Solve for x
x = 18,686,507,652.14/116,579.70 - Step 6: Final answer
x = 160,289.55
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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.