Finding the Fourth Proportional to 556,662.12, 835,047.84 and 157,305.96
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Solution
The fourth proportional to 556,662.12, 835,047.84 and 157,305.96 is: 235,974.39
Step by Step Solution
- Step 1: Write the proportion equation
556,662.12 : 835,047.84 = 157,305.96 : x - Step 2: Convert to fraction form
556,662.12/835,047.84 = 157,305.96/x - Step 3: Cross multiply
556,662.12x = 835,047.84 × 157,305.96 - Step 4: Simplify right side
556,662.12x = 131,358,002,117.13 - Step 5: Solve for x
x = 131,358,002,117.13/556,662.12 - Step 6: Final answer
x = 235,974.39
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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.