Finding the Fourth Proportional to 243,659.19, 365,303.57 and 168,579.75
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Solution
The fourth proportional to 243,659.19, 365,303.57 and 168,579.75 is: 252,741.48
Step by Step Solution
- Step 1: Write the proportion equation
243,659.19 : 365,303.57 = 168,579.75 : x - Step 2: Convert to fraction form
243,659.19/365,303.57 = 168,579.75/x - Step 3: Cross multiply
243,659.19x = 365,303.57 × 168,579.75 - Step 4: Simplify right side
243,659.19x = 61,582,783,661.81 - Step 5: Solve for x
x = 61,582,783,661.81/243,659.19 - Step 6: Final answer
x = 252,741.48
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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.