Finding the Fourth Proportional to 234,877.12, 352,315.68 and 68,665.12
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Solution
The fourth proportional to 234,877.12, 352,315.68 and 68,665.12 is: 102,997.68
Step by Step Solution
- Step 1: Write the proportion equation
234,877.12 : 352,315.68 = 68,665.12 : x - Step 2: Convert to fraction form
234,877.12/352,315.68 = 68,665.12/x - Step 3: Cross multiply
234,877.12x = 352,315.68 × 68,665.12 - Step 4: Simplify right side
234,877.12x = 24,191,798,445.08 - Step 5: Solve for x
x = 24,191,798,445.08/234,877.12 - Step 6: Final answer
x = 102,997.68
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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.