Finding the Fourth Proportional to 367,489.36, 507,563.31 and 294,157.09
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Solution
The fourth proportional to 367,489.36, 507,563.31 and 294,157.09 is: 406,279.37
Step by Step Solution
- Step 1: Write the proportion equation
367,489.36 : 507,563.31 = 294,157.09 : x - Step 2: Convert to fraction form
367,489.36/507,563.31 = 294,157.09/x - Step 3: Cross multiply
367,489.36x = 507,563.31 × 294,157.09 - Step 4: Simplify right side
367,489.36x = 149,303,346,260.37 - Step 5: Solve for x
x = 149,303,346,260.37/367,489.36 - Step 6: Final answer
x = 406,279.37
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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.