Finding the Fourth Proportional to 441,422.16, 609,122.86 and 257,676.68
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Solution
The fourth proportional to 441,422.16, 609,122.86 and 257,676.68 is: 355,570.63
Step by Step Solution
- Step 1: Write the proportion equation
441,422.16 : 609,122.86 = 257,676.68 : x - Step 2: Convert to fraction form
441,422.16/609,122.86 = 257,676.68/x - Step 3: Cross multiply
441,422.16x = 609,122.86 × 257,676.68 - Step 4: Simplify right side
441,422.16x = 156,956,756,276.91 - Step 5: Solve for x
x = 156,956,756,276.91/441,422.16 - Step 6: Final answer
x = 355,570.63
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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.