Finding the Fourth Proportional to 267,929.12, 401,929.34 and 141,574.53
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Solution
The fourth proportional to 267,929.12, 401,929.34 and 141,574.53 is: 212,380.65
Step by Step Solution
- Step 1: Write the proportion equation
267,929.12 : 401,929.34 = 141,574.53 : x - Step 2: Convert to fraction form
267,929.12/401,929.34 = 141,574.53/x - Step 3: Cross multiply
267,929.12x = 401,929.34 × 141,574.53 - Step 4: Simplify right side
267,929.12x = 56,902,958,999.43 - Step 5: Solve for x
x = 56,902,958,999.43/267,929.12 - Step 6: Final answer
x = 212,380.65
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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.