Finding the Fourth Proportional to 326,779.74, 450,998.33 and 183,539.78
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Solution
The fourth proportional to 326,779.74, 450,998.33 and 183,539.78 is: 253,308.65
Step by Step Solution
- Step 1: Write the proportion equation
326,779.74 : 450,998.33 = 183,539.78 : x - Step 2: Convert to fraction form
326,779.74/450,998.33 = 183,539.78/x - Step 3: Cross multiply
326,779.74x = 450,998.33 × 183,539.78 - Step 4: Simplify right side
326,779.74x = 82,776,134,268.57 - Step 5: Solve for x
x = 82,776,134,268.57/326,779.74 - Step 6: Final answer
x = 253,308.65
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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.