Finding the Fourth Proportional to 155,511.26, 214,708.84 and 119,637.98
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Solution
The fourth proportional to 155,511.26, 214,708.84 and 119,637.98 is: 165,179.88
Step by Step Solution
- Step 1: Write the proportion equation
155,511.26 : 214,708.84 = 119,637.98 : x - Step 2: Convert to fraction form
155,511.26/214,708.84 = 119,637.98/x - Step 3: Cross multiply
155,511.26x = 214,708.84 × 119,637.98 - Step 4: Simplify right side
155,511.26x = 25,687,331,905.74 - Step 5: Solve for x
x = 25,687,331,905.74/155,511.26 - Step 6: Final answer
x = 165,179.88
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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.