Finding the Fourth Proportional to 376,306.44, 564,163.74 and 257,618.04
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Solution
The fourth proportional to 376,306.44, 564,163.74 and 257,618.04 is: 386,224.47
Step by Step Solution
- Step 1: Write the proportion equation
376,306.44 : 564,163.74 = 257,618.04 : x - Step 2: Convert to fraction form
376,306.44/564,163.74 = 257,618.04/x - Step 3: Cross multiply
376,306.44x = 564,163.74 × 257,618.04 - Step 4: Simplify right side
376,306.44x = 145,338,756,937.87 - Step 5: Solve for x
x = 145,338,756,937.87/376,306.44 - Step 6: Final answer
x = 386,224.47
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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.