Finding the Fourth Proportional to 484,867.80, 726,963.57 and 214,849.08
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Solution
The fourth proportional to 484,867.80, 726,963.57 and 214,849.08 is: 322,123.79
Step by Step Solution
- Step 1: Write the proportion equation
484,867.80 : 726,963.57 = 214,849.08 : x - Step 2: Convert to fraction form
484,867.80/726,963.57 = 214,849.08/x - Step 3: Cross multiply
484,867.80x = 726,963.57 × 214,849.08 - Step 4: Simplify right side
484,867.80x = 156,187,454,208.02 - Step 5: Solve for x
x = 156,187,454,208.02/484,867.80 - Step 6: Final answer
x = 322,123.79
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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.