Finding the Fourth Proportional to 185,028.13, 255,343.49 and 113,447.62
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Solution
The fourth proportional to 185,028.13, 255,343.49 and 113,447.62 is: 156,560.58
Step by Step Solution
- Step 1: Write the proportion equation
185,028.13 : 255,343.49 = 113,447.62 : x - Step 2: Convert to fraction form
185,028.13/255,343.49 = 113,447.62/x - Step 3: Cross multiply
185,028.13x = 255,343.49 × 113,447.62 - Step 4: Simplify right side
185,028.13x = 28,968,111,222.99 - Step 5: Solve for x
x = 28,968,111,222.99/185,028.13 - Step 6: Final answer
x = 156,560.58
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.