Finding the Fourth Proportional to 191,585.63, 264,469.55 and 136,430.70
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Solution
The fourth proportional to 191,585.63, 264,469.55 and 136,430.70 is: 188,332.32
Step by Step Solution
- Step 1: Write the proportion equation
191,585.63 : 264,469.55 = 136,430.70 : x - Step 2: Convert to fraction form
191,585.63/264,469.55 = 136,430.70/x - Step 3: Cross multiply
191,585.63x = 264,469.55 × 136,430.70 - Step 4: Simplify right side
191,585.63x = 36,081,765,153.03 - Step 5: Solve for x
x = 36,081,765,153.03/191,585.63 - Step 6: Final answer
x = 188,332.32
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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.