Finding the Fourth Proportional to 548,745.12, 757,271.68 and 307,027.68
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Solution
The fourth proportional to 548,745.12, 757,271.68 and 307,027.68 is: 423,700.11
Step by Step Solution
- Step 1: Write the proportion equation
548,745.12 : 757,271.68 = 307,027.68 : x - Step 2: Convert to fraction form
548,745.12/757,271.68 = 307,027.68/x - Step 3: Cross multiply
548,745.12x = 757,271.68 × 307,027.68 - Step 4: Simplify right side
548,745.12x = 232,503,367,040.10 - Step 5: Solve for x
x = 232,503,367,040.10/548,745.12 - Step 6: Final answer
x = 423,700.11
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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.