Finding the Fourth Proportional to 335,107.09, 502,697.28 and 145,437.07
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Solution
The fourth proportional to 335,107.09, 502,697.28 and 145,437.07 is: 218,171.51
Step by Step Solution
- Step 1: Write the proportion equation
335,107.09 : 502,697.28 = 145,437.07 : x - Step 2: Convert to fraction form
335,107.09/502,697.28 = 145,437.07/x - Step 3: Cross multiply
335,107.09x = 502,697.28 × 145,437.07 - Step 4: Simplify right side
335,107.09x = 73,110,819,500.17 - Step 5: Solve for x
x = 73,110,819,500.17/335,107.09 - Step 6: Final answer
x = 218,171.51
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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.