Finding the Fourth Proportional to 153,890.10, 230,805.99 and 54,026.82
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Solution
The fourth proportional to 153,890.10, 230,805.99 and 54,026.82 is: 81,029.99
Step by Step Solution
- Step 1: Write the proportion equation
153,890.10 : 230,805.99 = 54,026.82 : x - Step 2: Convert to fraction form
153,890.10/230,805.99 = 54,026.82/x - Step 3: Cross multiply
153,890.10x = 230,805.99 × 54,026.82 - Step 4: Simplify right side
153,890.10x = 12,469,713,676.65 - Step 5: Solve for x
x = 12,469,713,676.65/153,890.10 - Step 6: Final answer
x = 81,029.99
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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.