Finding the Fourth Proportional to 134,497.12, 201,778.08 and 40,997.12
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Solution
The fourth proportional to 134,497.12, 201,778.08 and 40,997.12 is: 61,505.56
Step by Step Solution
- Step 1: Write the proportion equation
134,497.12 : 201,778.08 = 40,997.12 : x - Step 2: Convert to fraction form
134,497.12/201,778.08 = 40,997.12/x - Step 3: Cross multiply
134,497.12x = 201,778.08 × 40,997.12 - Step 4: Simplify right side
134,497.12x = 8,272,320,159.13 - Step 5: Solve for x
x = 8,272,320,159.13/134,497.12 - Step 6: Final answer
x = 61,505.56
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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.