Finding the Fourth Proportional to 143,252.80, 214,879.80 and 48,483.73
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Solution
The fourth proportional to 143,252.80, 214,879.80 and 48,483.73 is: 72,725.80
Step by Step Solution
- Step 1: Write the proportion equation
143,252.80 : 214,879.80 = 48,483.73 : x - Step 2: Convert to fraction form
143,252.80/214,879.80 = 48,483.73/x - Step 3: Cross multiply
143,252.80x = 214,879.80 × 48,483.73 - Step 4: Simplify right side
143,252.80x = 10,418,174,205.65 - Step 5: Solve for x
x = 10,418,174,205.65/143,252.80 - Step 6: Final answer
x = 72,725.80
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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.