Finding the Fourth Proportional to 318,227.01, 477,215.44 and 115,774.99
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Solution
The fourth proportional to 318,227.01, 477,215.44 and 115,774.99 is: 173,616.98
Step by Step Solution
- Step 1: Write the proportion equation
318,227.01 : 477,215.44 = 115,774.99 : x - Step 2: Convert to fraction form
318,227.01/477,215.44 = 115,774.99/x - Step 3: Cross multiply
318,227.01x = 477,215.44 × 115,774.99 - Step 4: Simplify right side
318,227.01x = 55,249,612,793.85 - Step 5: Solve for x
x = 55,249,612,793.85/318,227.01 - Step 6: Final answer
x = 173,616.98
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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.