Finding the Fourth Proportional to 194,594.76, 291,719.09 and 104,685.75
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Solution
The fourth proportional to 194,594.76, 291,719.09 and 104,685.75 is: 156,935.53
Step by Step Solution
- Step 1: Write the proportion equation
194,594.76 : 291,719.09 = 104,685.75 : x - Step 2: Convert to fraction form
194,594.76/291,719.09 = 104,685.75/x - Step 3: Cross multiply
194,594.76x = 291,719.09 × 104,685.75 - Step 4: Simplify right side
194,594.76x = 30,538,831,987.68 - Step 5: Solve for x
x = 30,538,831,987.68/194,594.76 - Step 6: Final answer
x = 156,935.53
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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.