Finding the Fourth Proportional to 405,814.62, 608,798.47 and 125,266.26
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Solution
The fourth proportional to 405,814.62, 608,798.47 and 125,266.26 is: 187,923.02
Step by Step Solution
- Step 1: Write the proportion equation
405,814.62 : 608,798.47 = 125,266.26 : x - Step 2: Convert to fraction form
405,814.62/608,798.47 = 125,266.26/x - Step 3: Cross multiply
405,814.62x = 608,798.47 × 125,266.26 - Step 4: Simplify right side
405,814.62x = 76,261,907,430.62 - Step 5: Solve for x
x = 76,261,907,430.62/405,814.62 - Step 6: Final answer
x = 187,923.02
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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.