Finding the Fourth Proportional to 171,395.36, 236,528.08 and 98,758.16
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Solution
The fourth proportional to 171,395.36, 236,528.08 and 98,758.16 is: 136,287.69
Step by Step Solution
- Step 1: Write the proportion equation
171,395.36 : 236,528.08 = 98,758.16 : x - Step 2: Convert to fraction form
171,395.36/236,528.08 = 98,758.16/x - Step 3: Cross multiply
171,395.36x = 236,528.08 × 98,758.16 - Step 4: Simplify right side
171,395.36x = 23,359,077,969.13 - Step 5: Solve for x
x = 23,359,077,969.13/171,395.36 - Step 6: Final answer
x = 136,287.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.