Finding the Fourth Proportional to 259,634.08, 358,294.88 and 140,402.08
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Solution
The fourth proportional to 259,634.08, 358,294.88 and 140,402.08 is: 193,754.79
Step by Step Solution
- Step 1: Write the proportion equation
259,634.08 : 358,294.88 = 140,402.08 : x - Step 2: Convert to fraction form
259,634.08/358,294.88 = 140,402.08/x - Step 3: Cross multiply
259,634.08x = 358,294.88 × 140,402.08 - Step 4: Simplify right side
259,634.08x = 50,305,346,405.35 - Step 5: Solve for x
x = 50,305,346,405.35/259,634.08 - Step 6: Final answer
x = 193,754.79
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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.