Finding the Fourth Proportional to 384,278.35, 576,438.55 and 159,661.50
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Solution
The fourth proportional to 384,278.35, 576,438.55 and 159,661.50 is: 239,500.99
Step by Step Solution
- Step 1: Write the proportion equation
384,278.35 : 576,438.55 = 159,661.50 : x - Step 2: Convert to fraction form
384,278.35/576,438.55 = 159,661.50/x - Step 3: Cross multiply
384,278.35x = 576,438.55 × 159,661.50 - Step 4: Simplify right side
384,278.35x = 92,035,043,550.83 - Step 5: Solve for x
x = 92,035,043,550.83/384,278.35 - Step 6: Final answer
x = 239,500.99
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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.