Finding the Fourth Proportional to 398,236.10, 597,259.80 and 113,917.88
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Solution
The fourth proportional to 398,236.10, 597,259.80 and 113,917.88 is: 170,849.83
Step by Step Solution
- Step 1: Write the proportion equation
398,236.10 : 597,259.80 = 113,917.88 : x - Step 2: Convert to fraction form
398,236.10/597,259.80 = 113,917.88/x - Step 3: Cross multiply
398,236.10x = 597,259.80 × 113,917.88 - Step 4: Simplify right side
398,236.10x = 68,038,570,225.22 - Step 5: Solve for x
x = 68,038,570,225.22/398,236.10 - Step 6: Final answer
x = 170,849.83
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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.