Finding the Fourth Proportional to 490,115.20, 734,826.84 and 190,346.08
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Solution
The fourth proportional to 490,115.20, 734,826.84 and 190,346.08 is: 285,384.76
Step by Step Solution
- Step 1: Write the proportion equation
490,115.20 : 734,826.84 = 190,346.08 : x - Step 2: Convert to fraction form
490,115.20/734,826.84 = 190,346.08/x - Step 3: Cross multiply
490,115.20x = 734,826.84 × 190,346.08 - Step 4: Simplify right side
490,115.20x = 139,871,408,472.79 - Step 5: Solve for x
x = 139,871,408,472.79/490,115.20 - Step 6: Final answer
x = 285,384.76
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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.