Finding the Fourth Proportional to 513,352.64, 769,970.09 and 134,309.96
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Solution
The fourth proportional to 513,352.64, 769,970.09 and 134,309.96 is: 201,449.53
Step by Step Solution
- Step 1: Write the proportion equation
513,352.64 : 769,970.09 = 134,309.96 : x - Step 2: Convert to fraction form
513,352.64/769,970.09 = 134,309.96/x - Step 3: Cross multiply
513,352.64x = 769,970.09 × 134,309.96 - Step 4: Simplify right side
513,352.64x = 103,414,647,467.70 - Step 5: Solve for x
x = 103,414,647,467.70/513,352.64 - Step 6: Final answer
x = 201,449.53
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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.