Finding the Fourth Proportional to 258,958.36, 357,363.12 and 144,236.08
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Solution
The fourth proportional to 258,958.36, 357,363.12 and 144,236.08 is: 199,046.12
Step by Step Solution
- Step 1: Write the proportion equation
258,958.36 : 357,363.12 = 144,236.08 : x - Step 2: Convert to fraction form
258,958.36/357,363.12 = 144,236.08/x - Step 3: Cross multiply
258,958.36x = 357,363.12 × 144,236.08 - Step 4: Simplify right side
258,958.36x = 51,544,655,565.37 - Step 5: Solve for x
x = 51,544,655,565.37/258,958.36 - Step 6: Final answer
x = 199,046.12
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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.