Finding the Fourth Proportional to 128,303.04, 192,493.44 and 58,163.52
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Solution
The fourth proportional to 128,303.04, 192,493.44 and 58,163.52 is: 87,262.91
Step by Step Solution
- Step 1: Write the proportion equation
128,303.04 : 192,493.44 = 58,163.52 : x - Step 2: Convert to fraction form
128,303.04/192,493.44 = 58,163.52/x - Step 3: Cross multiply
128,303.04x = 192,493.44 × 58,163.52 - Step 4: Simplify right side
128,303.04x = 11,196,096,047.31 - Step 5: Solve for x
x = 11,196,096,047.31/128,303.04 - Step 6: Final answer
x = 87,262.91
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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.