Finding the Fourth Proportional to 765,113.11, 1,147,733.91 and 232,638.74
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Solution
The fourth proportional to 765,113.11, 1,147,733.91 and 232,638.74 is: 348,977.65
Step by Step Solution
- Step 1: Write the proportion equation
765,113.11 : 1,147,733.91 = 232,638.74 : x - Step 2: Convert to fraction form
765,113.11/1,147,733.91 = 232,638.74/x - Step 3: Cross multiply
765,113.11x = 1,147,733.91 × 232,638.74 - Step 4: Simplify right side
765,113.11x = 267,007,370,677.67 - Step 5: Solve for x
x = 267,007,370,677.67/765,113.11 - Step 6: Final answer
x = 348,977.65
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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.