Finding the Fourth Proportional to 366,963.06, 550,385.55 and 100,661.79
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Solution
The fourth proportional to 366,963.06, 550,385.55 and 100,661.79 is: 150,976.49
Step by Step Solution
- Step 1: Write the proportion equation
366,963.06 : 550,385.55 = 100,661.79 : x - Step 2: Convert to fraction form
366,963.06/550,385.55 = 100,661.79/x - Step 3: Cross multiply
366,963.06x = 550,385.55 × 100,661.79 - Step 4: Simplify right side
366,963.06x = 55,402,794,653.13 - Step 5: Solve for x
x = 55,402,794,653.13/366,963.06 - Step 6: Final answer
x = 150,976.49
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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.