Finding the Fourth Proportional to 393,025.22, 589,652.64 and 126,779.84
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Solution
The fourth proportional to 393,025.22, 589,652.64 and 126,779.84 is: 190,206.79
Step by Step Solution
- Step 1: Write the proportion equation
393,025.22 : 589,652.64 = 126,779.84 : x - Step 2: Convert to fraction form
393,025.22/589,652.64 = 126,779.84/x - Step 3: Cross multiply
393,025.22x = 589,652.64 × 126,779.84 - Step 4: Simplify right side
393,025.22x = 74,756,067,354.78 - Step 5: Solve for x
x = 74,756,067,354.78/393,025.22 - Step 6: Final answer
x = 190,206.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.