Finding the Fourth Proportional to 318,226.01, 477,213.95 and 115,773.99
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Solution
The fourth proportional to 318,226.01, 477,213.95 and 115,773.99 is: 173,615.49
Step by Step Solution
- Step 1: Write the proportion equation
318,226.01 : 477,213.95 = 115,773.99 : x - Step 2: Convert to fraction form
318,226.01/477,213.95 = 115,773.99/x - Step 3: Cross multiply
318,226.01x = 477,213.95 × 115,773.99 - Step 4: Simplify right side
318,226.01x = 55,248,962,496.29 - Step 5: Solve for x
x = 55,248,962,496.29/318,226.01 - Step 6: Final answer
x = 173,615.49
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1.5x scale
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.