Finding the Fourth Proportional to 392,685.30, 589,027.95 and 341,363.70
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Solution
The fourth proportional to 392,685.30, 589,027.95 and 341,363.70 is: 512,045.55
Step by Step Solution
- Step 1: Write the proportion equation
392,685.30 : 589,027.95 = 341,363.70 : x - Step 2: Convert to fraction form
392,685.30/589,027.95 = 341,363.70/x - Step 3: Cross multiply
392,685.30x = 589,027.95 × 341,363.70 - Step 4: Simplify right side
392,685.30x = 201,072,760,415.42 - Step 5: Solve for x
x = 201,072,760,415.42/392,685.30 - Step 6: Final answer
x = 512,045.55
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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.