Finding the Fourth Proportional to 259,797.92, 358,482.68 and 157,770.32
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Solution
The fourth proportional to 259,797.92, 358,482.68 and 157,770.32 is: 217,699.69
Step by Step Solution
- Step 1: Write the proportion equation
259,797.92 : 358,482.68 = 157,770.32 : x - Step 2: Convert to fraction form
259,797.92/358,482.68 = 157,770.32/x - Step 3: Cross multiply
259,797.92x = 358,482.68 × 157,770.32 - Step 4: Simplify right side
259,797.92x = 56,557,927,138.06 - Step 5: Solve for x
x = 56,557,927,138.06/259,797.92 - Step 6: Final answer
x = 217,699.69
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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.