Finding the Fourth Proportional to 513,341.99, 769,954.16 and 134,299.31
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Solution
The fourth proportional to 513,341.99, 769,954.16 and 134,299.31 is: 201,433.57
Step by Step Solution
- Step 1: Write the proportion equation
513,341.99 : 769,954.16 = 134,299.31 : x - Step 2: Convert to fraction form
513,341.99/769,954.16 = 134,299.31/x - Step 3: Cross multiply
513,341.99x = 769,954.16 × 134,299.31 - Step 4: Simplify right side
513,341.99x = 103,404,308,150.17 - Step 5: Solve for x
x = 103,404,308,150.17/513,341.99 - Step 6: Final answer
x = 201,433.57
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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.