Finding the Fourth Proportional to 513,343.99, 769,957.17 and 134,301.31
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Solution
The fourth proportional to 513,343.99, 769,957.17 and 134,301.31 is: 201,436.57
Step by Step Solution
- Step 1: Write the proportion equation
513,343.99 : 769,957.17 = 134,301.31 : x - Step 2: Convert to fraction form
513,343.99/769,957.17 = 134,301.31/x - Step 3: Cross multiply
513,343.99x = 769,957.17 × 134,301.31 - Step 4: Simplify right side
513,343.99x = 103,406,254,146.37 - Step 5: Solve for x
x = 103,406,254,146.37/513,343.99 - Step 6: Final answer
x = 201,436.57
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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.