Finding the Fourth Proportional to 279,489.42, 418,567.05 and 160,912.08
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Solution
The fourth proportional to 279,489.42, 418,567.05 and 160,912.08 is: 240,984.06
Step by Step Solution
- Step 1: Write the proportion equation
279,489.42 : 418,567.05 = 160,912.08 : x - Step 2: Convert to fraction form
279,489.42/418,567.05 = 160,912.08/x - Step 3: Cross multiply
279,489.42x = 418,567.05 × 160,912.08 - Step 4: Simplify right side
279,489.42x = 67,352,494,634.96 - Step 5: Solve for x
x = 67,352,494,634.96/279,489.42 - Step 6: Final answer
x = 240,984.06
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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.