Finding the Fourth Proportional to 487,737.44, 673,077.70 and 272,928.07
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Solution
The fourth proportional to 487,737.44, 673,077.70 and 272,928.07 is: 376,640.75
Step by Step Solution
- Step 1: Write the proportion equation
487,737.44 : 673,077.70 = 272,928.07 : x - Step 2: Convert to fraction form
487,737.44/673,077.70 = 272,928.07/x - Step 3: Cross multiply
487,737.44x = 673,077.70 × 272,928.07 - Step 4: Simplify right side
487,737.44x = 183,701,797,621.04 - Step 5: Solve for x
x = 183,701,797,621.04/487,737.44 - Step 6: Final answer
x = 376,640.75
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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.