Finding the Fourth Proportional to 211,509.19, 316,640.49 and 185,265.19
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Solution
The fourth proportional to 211,509.19, 316,640.49 and 185,265.19 is: 277,351.83
Step by Step Solution
- Step 1: Write the proportion equation
211,509.19 : 316,640.49 = 185,265.19 : x - Step 2: Convert to fraction form
211,509.19/316,640.49 = 185,265.19/x - Step 3: Cross multiply
211,509.19x = 316,640.49 × 185,265.19 - Step 4: Simplify right side
211,509.19x = 58,662,460,541.54 - Step 5: Solve for x
x = 58,662,460,541.54/211,509.19 - Step 6: Final answer
x = 277,351.83
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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.