Finding the Fourth Proportional to 513,341.75, 769,953.79 and 134,299.06
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Solution
The fourth proportional to 513,341.75, 769,953.79 and 134,299.06 is: 201,433.19
Step by Step Solution
- Step 1: Write the proportion equation
513,341.75 : 769,953.79 = 134,299.06 : x - Step 2: Convert to fraction form
513,341.75/769,953.79 = 134,299.06/x - Step 3: Cross multiply
513,341.75x = 769,953.79 × 134,299.06 - Step 4: Simplify right side
513,341.75x = 103,404,067,753.19 - Step 5: Solve for x
x = 103,404,067,753.19/513,341.75 - Step 6: Final answer
x = 201,433.19
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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.