Finding the Fourth Proportional to 543,408.20, 749,927.52 and 301,694.12
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Solution
The fourth proportional to 543,408.20, 749,927.52 and 301,694.12 is: 416,351.32
Step by Step Solution
- Step 1: Write the proportion equation
543,408.20 : 749,927.52 = 301,694.12 : x - Step 2: Convert to fraction form
543,408.20/749,927.52 = 301,694.12/x - Step 3: Cross multiply
543,408.20x = 749,927.52 × 301,694.12 - Step 4: Simplify right side
543,408.20x = 226,248,723,210.18 - Step 5: Solve for x
x = 226,248,723,210.18/543,408.20 - Step 6: Final answer
x = 416,351.32
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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.