Finding the Fourth Proportional to 190,372.06, 285,995.49 and 134,340.94
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Solution
The fourth proportional to 190,372.06, 285,995.49 and 134,340.94 is: 201,820.07
Step by Step Solution
- Step 1: Write the proportion equation
190,372.06 : 285,995.49 = 134,340.94 : x - Step 2: Convert to fraction form
190,372.06/285,995.49 = 134,340.94/x - Step 3: Cross multiply
190,372.06x = 285,995.49 × 134,340.94 - Step 4: Simplify right side
190,372.06x = 38,420,902,962.36 - Step 5: Solve for x
x = 38,420,902,962.36/190,372.06 - Step 6: Final answer
x = 201,820.07
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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.