Finding the Fourth Proportional to 554,471.40, 831,704.67 and 217,273.80
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Solution
The fourth proportional to 554,471.40, 831,704.67 and 217,273.80 is: 325,909.75
Step by Step Solution
- Step 1: Write the proportion equation
554,471.40 : 831,704.67 = 217,273.80 : x - Step 2: Convert to fraction form
554,471.40/831,704.67 = 217,273.80/x - Step 3: Cross multiply
554,471.40x = 831,704.67 × 217,273.80 - Step 4: Simplify right side
554,471.40x = 180,707,634,128.65 - Step 5: Solve for x
x = 180,707,634,128.65/554,471.40 - Step 6: Final answer
x = 325,909.75
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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.