Finding the Fourth Proportional to 425,621.66, 587,328.44 and 239,380.99
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Solution
The fourth proportional to 425,621.66, 587,328.44 and 239,380.99 is: 330,329.20
Step by Step Solution
- Step 1: Write the proportion equation
425,621.66 : 587,328.44 = 239,380.99 : x - Step 2: Convert to fraction form
425,621.66/587,328.44 = 239,380.99/x - Step 3: Cross multiply
425,621.66x = 587,328.44 × 239,380.99 - Step 4: Simplify right side
425,621.66x = 140,595,260,757.13 - Step 5: Solve for x
x = 140,595,260,757.13/425,621.66 - Step 6: Final answer
x = 330,329.20
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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.