Finding the Fourth Proportional to 402,347.70, 603,521.55 and 181,163.70
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Solution
The fourth proportional to 402,347.70, 603,521.55 and 181,163.70 is: 271,745.55
Step by Step Solution
- Step 1: Write the proportion equation
402,347.70 : 603,521.55 = 181,163.70 : x - Step 2: Convert to fraction form
402,347.70/603,521.55 = 181,163.70/x - Step 3: Cross multiply
402,347.70x = 603,521.55 × 181,163.70 - Step 4: Simplify right side
402,347.70x = 109,336,197,027.74 - Step 5: Solve for x
x = 109,336,197,027.74/402,347.70 - Step 6: Final answer
x = 271,745.55
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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.