Finding the Fourth Proportional to 405,524.28, 608,373.36 and 121,237.08
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Solution
The fourth proportional to 405,524.28, 608,373.36 and 121,237.08 is: 181,881.61
Step by Step Solution
- Step 1: Write the proportion equation
405,524.28 : 608,373.36 = 121,237.08 : x - Step 2: Convert to fraction form
405,524.28/608,373.36 = 121,237.08/x - Step 3: Cross multiply
405,524.28x = 608,373.36 × 121,237.08 - Step 4: Simplify right side
405,524.28x = 73,757,409,716.19 - Step 5: Solve for x
x = 73,757,409,716.19/405,524.28 - Step 6: Final answer
x = 181,881.61
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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.