Finding the Fourth Proportional to 361,775.57, 542,745.36 and 125,120.30
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Solution
The fourth proportional to 361,775.57, 542,745.36 and 125,120.30 is: 187,708.81
Step by Step Solution
- Step 1: Write the proportion equation
361,775.57 : 542,745.36 = 125,120.30 : x - Step 2: Convert to fraction form
361,775.57/542,745.36 = 125,120.30/x - Step 3: Cross multiply
361,775.57x = 542,745.36 × 125,120.30 - Step 4: Simplify right side
361,775.57x = 67,908,459,553.08 - Step 5: Solve for x
x = 67,908,459,553.08/361,775.57 - Step 6: Final answer
x = 187,708.81
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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.