Finding the Fourth Proportional to 385,374.90, 577,673.55 and 175,163.70
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Solution
The fourth proportional to 385,374.90, 577,673.55 and 175,163.70 is: 262,568.83
Step by Step Solution
- Step 1: Write the proportion equation
385,374.90 : 577,673.55 = 175,163.70 : x - Step 2: Convert to fraction form
385,374.90/577,673.55 = 175,163.70/x - Step 3: Cross multiply
385,374.90x = 577,673.55 × 175,163.70 - Step 4: Simplify right side
385,374.90x = 101,187,436,410.14 - Step 5: Solve for x
x = 101,187,436,410.14/385,374.90 - Step 6: Final answer
x = 262,568.83
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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.