Finding the Fourth Proportional to 275,395.08, 412,603.91 and 115,117.70
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Solution
The fourth proportional to 275,395.08, 412,603.91 and 115,117.70 is: 172,472.27
Step by Step Solution
- Step 1: Write the proportion equation
275,395.08 : 412,603.91 = 115,117.70 : x - Step 2: Convert to fraction form
275,395.08/412,603.91 = 115,117.70/x - Step 3: Cross multiply
275,395.08x = 412,603.91 × 115,117.70 - Step 4: Simplify right side
275,395.08x = 47,498,014,665.36 - Step 5: Solve for x
x = 47,498,014,665.36/275,395.08 - Step 6: Final answer
x = 172,472.27
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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.