Finding the Fourth Proportional to 313,779.98, 433,013.76 and 170,540.88
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Solution
The fourth proportional to 313,779.98, 433,013.76 and 170,540.88 is: 235,344.99
Step by Step Solution
- Step 1: Write the proportion equation
313,779.98 : 433,013.76 = 170,540.88 : x - Step 2: Convert to fraction form
313,779.98/433,013.76 = 170,540.88/x - Step 3: Cross multiply
313,779.98x = 433,013.76 × 170,540.88 - Step 4: Simplify right side
313,779.98x = 73,846,547,682.51 - Step 5: Solve for x
x = 73,846,547,682.51/313,779.98 - Step 6: Final answer
x = 235,344.99
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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.