Finding the Fourth Proportional to 261,058,858.80, 391,588,288.20 and 244,934,545.20
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Solution
The fourth proportional to 261,058,858.80, 391,588,288.20 and 244,934,545.20 is: 367,401,817.80
Step by Step Solution
- Step 1: Write the proportion equation
261,058,858.80 : 391,588,288.20 = 244,934,545.20 : x - Step 2: Convert to fraction form
261,058,858.80/391,588,288.20 = 244,934,545.20/x - Step 3: Cross multiply
261,058,858.80x = 391,588,288.20 × 244,934,545.20 - Step 4: Simplify right side
261,058,858.80x = 95,913,499,275,913,520 - Step 5: Solve for x
x = 95,913,499,275,913,520/261,058,858.80 - Step 6: Final answer
x = 367,401,817.80
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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.