Finding the Fourth Proportional to 522,779.74, 784,202.41 and 167,785.90
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Solution
The fourth proportional to 522,779.74, 784,202.41 and 167,785.90 is: 251,689.37
Step by Step Solution
- Step 1: Write the proportion equation
522,779.74 : 784,202.41 = 167,785.90 : x - Step 2: Convert to fraction form
522,779.74/784,202.41 = 167,785.90/x - Step 3: Cross multiply
522,779.74x = 784,202.41 × 167,785.90 - Step 4: Simplify right side
522,779.74x = 131,578,105,393.25 - Step 5: Solve for x
x = 131,578,105,393.25/522,779.74 - Step 6: Final answer
x = 251,689.37
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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.