Finding the Fourth Proportional to 376,916.44, 520,149.06 and 207,150.84
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Solution
The fourth proportional to 376,916.44, 520,149.06 and 207,150.84 is: 285,870.56
Step by Step Solution
- Step 1: Write the proportion equation
376,916.44 : 520,149.06 = 207,150.84 : x - Step 2: Convert to fraction form
376,916.44/520,149.06 = 207,150.84/x - Step 3: Cross multiply
376,916.44x = 520,149.06 × 207,150.84 - Step 4: Simplify right side
376,916.44x = 107,749,314,704.21 - Step 5: Solve for x
x = 107,749,314,704.21/376,916.44 - Step 6: Final answer
x = 285,870.56
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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.