Finding the Fourth Proportional to 128,793.74, 192,252.50 and 119,296.26
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Solution
The fourth proportional to 128,793.74, 192,252.50 and 119,296.26 is: 178,075.46
Step by Step Solution
- Step 1: Write the proportion equation
128,793.74 : 192,252.50 = 119,296.26 : x - Step 2: Convert to fraction form
128,793.74/192,252.50 = 119,296.26/x - Step 3: Cross multiply
128,793.74x = 192,252.50 × 119,296.26 - Step 4: Simplify right side
128,793.74x = 22,935,004,225.65 - Step 5: Solve for x
x = 22,935,004,225.65/128,793.74 - Step 6: Final answer
x = 178,075.46
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.