Finding the Fourth Proportional to 251,029.10, 376,555.75 and 82,545.70
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Solution
The fourth proportional to 251,029.10, 376,555.75 and 82,545.70 is: 123,822.52
Step by Step Solution
- Step 1: Write the proportion equation
251,029.10 : 376,555.75 = 82,545.70 : x - Step 2: Convert to fraction form
251,029.10/376,555.75 = 82,545.70/x - Step 3: Cross multiply
251,029.10x = 376,555.75 × 82,545.70 - Step 4: Simplify right side
251,029.10x = 31,083,056,090.00 - Step 5: Solve for x
x = 31,083,056,090.00/251,029.10 - Step 6: Final answer
x = 123,822.52
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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.