Finding the Fourth Proportional to 147,896.36, 204,133.26 and 84,271.76
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Solution
The fourth proportional to 147,896.36, 204,133.26 and 84,271.76 is: 116,315.70
Step by Step Solution
- Step 1: Write the proportion equation
147,896.36 : 204,133.26 = 84,271.76 : x - Step 2: Convert to fraction form
147,896.36/204,133.26 = 84,271.76/x - Step 3: Cross multiply
147,896.36x = 204,133.26 × 84,271.76 - Step 4: Simplify right side
147,896.36x = 17,202,669,094.74 - Step 5: Solve for x
x = 17,202,669,094.74/147,896.36 - Step 6: Final answer
x = 116,315.70
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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.