Finding the Fourth Proportional to 284,591.17, 392,735.68 and 157,265.65
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Solution
The fourth proportional to 284,591.17, 392,735.68 and 157,265.65 is: 217,026.52
Step by Step Solution
- Step 1: Write the proportion equation
284,591.17 : 392,735.68 = 157,265.65 : x - Step 2: Convert to fraction form
284,591.17/392,735.68 = 157,265.65/x - Step 3: Cross multiply
284,591.17x = 392,735.68 × 157,265.65 - Step 4: Simplify right side
284,591.17x = 61,763,831,993.39 - Step 5: Solve for x
x = 61,763,831,993.39/284,591.17 - Step 6: Final answer
x = 217,026.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.