Finding the Fourth Proportional to 477,523.10, 716,038.18 and 140,519.99
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Solution
The fourth proportional to 477,523.10, 716,038.18 and 140,519.99 is: 210,707.45
Step by Step Solution
- Step 1: Write the proportion equation
477,523.10 : 716,038.18 = 140,519.99 : x - Step 2: Convert to fraction form
477,523.10/716,038.18 = 140,519.99/x - Step 3: Cross multiply
477,523.10x = 716,038.18 × 140,519.99 - Step 4: Simplify right side
477,523.10x = 100,617,673,961.73 - Step 5: Solve for x
x = 100,617,673,961.73/477,523.10 - Step 6: Final answer
x = 210,707.45
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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.