Finding the Fourth Proportional to 405,877.02, 608,717.11 and 169,090.53
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Solution
The fourth proportional to 405,877.02, 608,717.11 and 169,090.53 is: 253,594.79
Step by Step Solution
- Step 1: Write the proportion equation
405,877.02 : 608,717.11 = 169,090.53 : x - Step 2: Convert to fraction form
405,877.02/608,717.11 = 169,090.53/x - Step 3: Cross multiply
405,877.02x = 608,717.11 × 169,090.53 - Step 4: Simplify right side
405,877.02x = 102,928,298,749.97 - Step 5: Solve for x
x = 102,928,298,749.97/405,877.02 - Step 6: Final answer
x = 253,594.79
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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.