Finding the Fourth Proportional to 463,363.70, 639,251.87 and 281,930.18
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Solution
The fourth proportional to 463,363.70, 639,251.87 and 281,930.18 is: 388,948.02
Step by Step Solution
- Step 1: Write the proportion equation
463,363.70 : 639,251.87 = 281,930.18 : x - Step 2: Convert to fraction form
463,363.70/639,251.87 = 281,930.18/x - Step 3: Cross multiply
463,363.70x = 639,251.87 × 281,930.18 - Step 4: Simplify right side
463,363.70x = 180,224,390,168.53 - Step 5: Solve for x
x = 180,224,390,168.53/463,363.70 - Step 6: Final answer
x = 388,948.02
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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.