Finding the Fourth Proportional to 203,490.10, 305,230.35 and 55,746.10
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Solution
The fourth proportional to 203,490.10, 305,230.35 and 55,746.10 is: 83,617.84
Step by Step Solution
- Step 1: Write the proportion equation
203,490.10 : 305,230.35 = 55,746.10 : x - Step 2: Convert to fraction form
203,490.10/305,230.35 = 55,746.10/x - Step 3: Cross multiply
203,490.10x = 305,230.35 × 55,746.10 - Step 4: Simplify right side
203,490.10x = 17,015,401,614.14 - Step 5: Solve for x
x = 17,015,401,614.14/203,490.10 - Step 6: Final answer
x = 83,617.84
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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.