Finding the Fourth Proportional to 427,711.26, 590,201.55 and 255,595.06
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Solution
The fourth proportional to 427,711.26, 590,201.55 and 255,595.06 is: 352,697.28
Step by Step Solution
- Step 1: Write the proportion equation
427,711.26 : 590,201.55 = 255,595.06 : x - Step 2: Convert to fraction form
427,711.26/590,201.55 = 255,595.06/x - Step 3: Cross multiply
427,711.26x = 590,201.55 × 255,595.06 - Step 4: Simplify right side
427,711.26x = 150,852,599,108.84 - Step 5: Solve for x
x = 150,852,599,108.84/427,711.26 - Step 6: Final answer
x = 352,697.28
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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.