Finding the Fourth Proportional to 900,921.92, 1,351,593.08 and 261,239
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Solution
The fourth proportional to 900,921.92, 1,351,593.08 and 261,239 is: 391,919.45
Step by Step Solution
- Step 1: Write the proportion equation
900,921.92 : 1,351,593.08 = 261,239 : x - Step 2: Convert to fraction form
900,921.92/1,351,593.08 = 261,239/x - Step 3: Cross multiply
900,921.92x = 1,351,593.08 × 261,239 - Step 4: Simplify right side
900,921.92x = 353,088,823,319.93 - Step 5: Solve for x
x = 353,088,823,319.93/900,921.92 - Step 6: Final answer
x = 391,919.45
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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.