Finding the Fourth Proportional to 317,054.99, 475,599.21 and 80,399.72
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Solution
The fourth proportional to 317,054.99, 475,599.21 and 80,399.72 is: 120,603.82
Step by Step Solution
- Step 1: Write the proportion equation
317,054.99 : 475,599.21 = 80,399.72 : x - Step 2: Convert to fraction form
317,054.99/475,599.21 = 80,399.72/x - Step 3: Cross multiply
317,054.99x = 475,599.21 × 80,399.72 - Step 4: Simplify right side
317,054.99x = 38,238,043,316.22 - Step 5: Solve for x
x = 38,238,043,316.22/317,054.99 - Step 6: Final answer
x = 120,603.82
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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.