Finding the Fourth Proportional to 477,216.29, 715,824.59 and 140,256.99
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Solution
The fourth proportional to 477,216.29, 715,824.59 and 140,256.99 is: 210,385.53
Step by Step Solution
- Step 1: Write the proportion equation
477,216.29 : 715,824.59 = 140,256.99 : x - Step 2: Convert to fraction form
477,216.29/715,824.59 = 140,256.99/x - Step 3: Cross multiply
477,216.29x = 715,824.59 × 140,256.99 - Step 4: Simplify right side
477,216.29x = 100,399,401,660.10 - Step 5: Solve for x
x = 100,399,401,660.10/477,216.29 - Step 6: Final answer
x = 210,385.53
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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.