Finding the Fourth Proportional to 631,239.17, 946,991.91 and 204,741.87
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Solution
The fourth proportional to 631,239.17, 946,991.91 and 204,741.87 is: 307,155.99
Step by Step Solution
- Step 1: Write the proportion equation
631,239.17 : 946,991.91 = 204,741.87 : x - Step 2: Convert to fraction form
631,239.17/946,991.91 = 204,741.87/x - Step 3: Cross multiply
631,239.17x = 946,991.91 × 204,741.87 - Step 4: Simplify right side
631,239.17x = 193,888,894,528.27 - Step 5: Solve for x
x = 193,888,894,528.27/631,239.17 - Step 6: Final answer
x = 307,155.99
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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.