Finding the Fourth Proportional to 484,521.44, 726,726.79 and 129,563.13
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Solution
The fourth proportional to 484,521.44, 726,726.79 and 129,563.13 is: 194,329.90
Step by Step Solution
- Step 1: Write the proportion equation
484,521.44 : 726,726.79 = 129,563.13 : x - Step 2: Convert to fraction form
484,521.44/726,726.79 = 129,563.13/x - Step 3: Cross multiply
484,521.44x = 726,726.79 × 129,563.13 - Step 4: Simplify right side
484,521.44x = 94,157,000,454.43 - Step 5: Solve for x
x = 94,157,000,454.43/484,521.44 - Step 6: Final answer
x = 194,329.90
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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.