Finding the Fourth Proportional to 405,972.08, 609,133.12 and 169,361.36
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Solution
The fourth proportional to 405,972.08, 609,133.12 and 169,361.36 is: 254,115.05
Step by Step Solution
- Step 1: Write the proportion equation
405,972.08 : 609,133.12 = 169,361.36 : x - Step 2: Convert to fraction form
405,972.08/609,133.12 = 169,361.36/x - Step 3: Cross multiply
405,972.08x = 609,133.12 × 169,361.36 - Step 4: Simplify right side
405,972.08x = 103,163,613,624.24 - Step 5: Solve for x
x = 103,163,613,624.24/405,972.08 - Step 6: Final answer
x = 254,115.05
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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.