Finding the Fourth Proportional to 405,797.93, 608,779.93 and 139,523.84
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Solution
The fourth proportional to 405,797.93, 608,779.93 and 139,523.84 is: 209,314.31
Step by Step Solution
- Step 1: Write the proportion equation
405,797.93 : 608,779.93 = 139,523.84 : x - Step 2: Convert to fraction form
405,797.93/608,779.93 = 139,523.84/x - Step 3: Cross multiply
405,797.93x = 608,779.93 × 139,523.84 - Step 4: Simplify right side
405,797.93x = 84,939,314,020.14 - Step 5: Solve for x
x = 84,939,314,020.14/405,797.93 - Step 6: Final answer
x = 209,314.31
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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.