Finding the Fourth Proportional to 245,751.33, 368,676.18 and 77,314.02
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Solution
The fourth proportional to 245,751.33, 368,676.18 and 77,314.02 is: 115,986.50
Step by Step Solution
- Step 1: Write the proportion equation
245,751.33 : 368,676.18 = 77,314.02 : x - Step 2: Convert to fraction form
245,751.33/368,676.18 = 77,314.02/x - Step 3: Cross multiply
245,751.33x = 368,676.18 × 77,314.02 - Step 4: Simplify right side
245,751.33x = 28,503,837,554.04 - Step 5: Solve for x
x = 28,503,837,554.04/245,751.33 - Step 6: Final answer
x = 115,986.50
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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.