Finding the Fourth Proportional to 385,437.84, 577,944.36 and 119,124.96
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Solution
The fourth proportional to 385,437.84, 577,944.36 and 119,124.96 is: 178,621.79
Step by Step Solution
- Step 1: Write the proportion equation
385,437.84 : 577,944.36 = 119,124.96 : x - Step 2: Convert to fraction form
385,437.84/577,944.36 = 119,124.96/x - Step 3: Cross multiply
385,437.84x = 577,944.36 × 119,124.96 - Step 4: Simplify right side
385,437.84x = 68,847,598,767.23 - Step 5: Solve for x
x = 68,847,598,767.23/385,437.84 - Step 6: Final answer
x = 178,621.79
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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.