Finding the Fourth Proportional to 313,676.13, 472,877.58 and 293,380.77
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Solution
The fourth proportional to 313,676.13, 472,877.58 and 293,380.77 is: 442,281.63
Step by Step Solution
- Step 1: Write the proportion equation
313,676.13 : 472,877.58 = 293,380.77 : x - Step 2: Convert to fraction form
313,676.13/472,877.58 = 293,380.77/x - Step 3: Cross multiply
313,676.13x = 472,877.58 × 293,380.77 - Step 4: Simplify right side
313,676.13x = 138,733,188,536.14 - Step 5: Solve for x
x = 138,733,188,536.14/313,676.13 - Step 6: Final answer
x = 442,281.63
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.