Finding the Fourth Proportional to 259,714.13, 358,427.37 and 146,558.75
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Solution
The fourth proportional to 259,714.13, 358,427.37 and 146,558.75 is: 202,263.42
Step by Step Solution
- Step 1: Write the proportion equation
259,714.13 : 358,427.37 = 146,558.75 : x - Step 2: Convert to fraction form
259,714.13/358,427.37 = 146,558.75/x - Step 3: Cross multiply
259,714.13x = 358,427.37 × 146,558.75 - Step 4: Simplify right side
259,714.13x = 52,530,667,312.99 - Step 5: Solve for x
x = 52,530,667,312.99/259,714.13 - Step 6: Final answer
x = 202,263.42
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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.