Finding the Fourth Proportional to 320,107.84, 441,737.52 and 176,865.28
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Solution
The fourth proportional to 320,107.84, 441,737.52 and 176,865.28 is: 244,067.84
Step by Step Solution
- Step 1: Write the proportion equation
320,107.84 : 441,737.52 = 176,865.28 : x - Step 2: Convert to fraction form
320,107.84/441,737.52 = 176,865.28/x - Step 3: Cross multiply
320,107.84x = 441,737.52 × 176,865.28 - Step 4: Simplify right side
320,107.84x = 78,128,030,161.31 - Step 5: Solve for x
x = 78,128,030,161.31/320,107.84 - Step 6: Final answer
x = 244,067.84
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1.5x scale
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.