Finding the Fourth Proportional to 134,018.78, 201,991.49 and 115,522.06
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Solution
The fourth proportional to 134,018.78, 201,991.49 and 115,522.06 is: 174,113.45
Step by Step Solution
- Step 1: Write the proportion equation
134,018.78 : 201,991.49 = 115,522.06 : x - Step 2: Convert to fraction form
134,018.78/201,991.49 = 115,522.06/x - Step 3: Cross multiply
134,018.78x = 201,991.49 × 115,522.06 - Step 4: Simplify right side
134,018.78x = 23,334,471,439.70 - Step 5: Solve for x
x = 23,334,471,439.70/134,018.78 - Step 6: Final answer
x = 174,113.45
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.