Finding the Fourth Proportional to 432,679.67, 649,251.87 and 180,134.48
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Solution
The fourth proportional to 432,679.67, 649,251.87 and 180,134.48 is: 270,298.45
Step by Step Solution
- Step 1: Write the proportion equation
432,679.67 : 649,251.87 = 180,134.48 : x - Step 2: Convert to fraction form
432,679.67/649,251.87 = 180,134.48/x - Step 3: Cross multiply
432,679.67x = 649,251.87 × 180,134.48 - Step 4: Simplify right side
432,679.67x = 116,952,644,745.22 - Step 5: Solve for x
x = 116,952,644,745.22/432,679.67 - Step 6: Final answer
x = 270,298.45
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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.