Finding the Fourth Proportional to 274,774.52, 379,170.42 and 153,887.96
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Solution
The fourth proportional to 274,774.52, 379,170.42 and 153,887.96 is: 212,355.07
Step by Step Solution
- Step 1: Write the proportion equation
274,774.52 : 379,170.42 = 153,887.96 : x - Step 2: Convert to fraction form
274,774.52/379,170.42 = 153,887.96/x - Step 3: Cross multiply
274,774.52x = 379,170.42 × 153,887.96 - Step 4: Simplify right side
274,774.52x = 58,349,762,426.14 - Step 5: Solve for x
x = 58,349,762,426.14/274,774.52 - Step 6: Final answer
x = 212,355.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.