Finding the Fourth Proportional to 134,181.95, 201,241.78 and 39,386.68
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Solution
The fourth proportional to 134,181.95, 201,241.78 and 39,386.68 is: 59,070.88
Step by Step Solution
- Step 1: Write the proportion equation
134,181.95 : 201,241.78 = 39,386.68 : x - Step 2: Convert to fraction form
134,181.95/201,241.78 = 39,386.68/x - Step 3: Cross multiply
134,181.95x = 201,241.78 × 39,386.68 - Step 4: Simplify right side
134,181.95x = 7,926,245,611.30 - Step 5: Solve for x
x = 7,926,245,611.30/134,181.95 - Step 6: Final answer
x = 59,070.88
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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.