Finding the Fourth Proportional to 199,332.36, 275,069.16 and 113,289.08
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Solution
The fourth proportional to 199,332.36, 275,069.16 and 113,289.08 is: 156,333.53
Step by Step Solution
- Step 1: Write the proportion equation
199,332.36 : 275,069.16 = 113,289.08 : x - Step 2: Convert to fraction form
199,332.36/275,069.16 = 113,289.08/x - Step 3: Cross multiply
199,332.36x = 275,069.16 × 113,289.08 - Step 4: Simplify right side
199,332.36x = 31,162,330,697.43 - Step 5: Solve for x
x = 31,162,330,697.43/199,332.36 - Step 6: Final answer
x = 156,333.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.