Finding the Fourth Proportional to 513,344.81, 769,958.36 and 134,302.11
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Solution
The fourth proportional to 513,344.81, 769,958.36 and 134,302.11 is: 201,437.77
Step by Step Solution
- Step 1: Write the proportion equation
513,344.81 : 769,958.36 = 134,302.11 : x - Step 2: Convert to fraction form
513,344.81/769,958.36 = 134,302.11/x - Step 3: Cross multiply
513,344.81x = 769,958.36 × 134,302.11 - Step 4: Simplify right side
513,344.81x = 103,407,031,688.63 - Step 5: Solve for x
x = 103,407,031,688.63/513,344.81 - Step 6: Final answer
x = 201,437.77
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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.