Finding the Fourth Proportional to 494,199.12, 741,298.68 and 120,218.88
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Solution
The fourth proportional to 494,199.12, 741,298.68 and 120,218.88 is: 180,328.32
Step by Step Solution
- Step 1: Write the proportion equation
494,199.12 : 741,298.68 = 120,218.88 : x - Step 2: Convert to fraction form
494,199.12/741,298.68 = 120,218.88/x - Step 3: Cross multiply
494,199.12x = 741,298.68 × 120,218.88 - Step 4: Simplify right side
494,199.12x = 89,118,097,055.08 - Step 5: Solve for x
x = 89,118,097,055.08/494,199.12 - Step 6: Final answer
x = 180,328.32
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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.