Finding the Fourth Proportional to 402,263.44, 603,385.81 and 202,530.20
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Solution
The fourth proportional to 402,263.44, 603,385.81 and 202,530.20 is: 303,790.59
Step by Step Solution
- Step 1: Write the proportion equation
402,263.44 : 603,385.81 = 202,530.20 : x - Step 2: Convert to fraction form
402,263.44/603,385.81 = 202,530.20/x - Step 3: Cross multiply
402,263.44x = 603,385.81 × 202,530.20 - Step 4: Simplify right side
402,263.44x = 122,203,845,253.21 - Step 5: Solve for x
x = 122,203,845,253.21/402,263.44 - Step 6: Final answer
x = 303,790.59
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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.