Finding the Fourth Proportional to 375,369.36, 518,009.84 and 205,609.60
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Solution
The fourth proportional to 375,369.36, 518,009.84 and 205,609.60 is: 283,741.32
Step by Step Solution
- Step 1: Write the proportion equation
375,369.36 : 518,009.84 = 205,609.60 : x - Step 2: Convert to fraction form
375,369.36/518,009.84 = 205,609.60/x - Step 3: Cross multiply
375,369.36x = 518,009.84 × 205,609.60 - Step 4: Simplify right side
375,369.36x = 106,507,795,998.46 - Step 5: Solve for x
x = 106,507,795,998.46/375,369.36 - Step 6: Final answer
x = 283,741.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.