Finding the Fourth Proportional to 163,734.08, 224,973.84 and 130,141.76
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Solution
The fourth proportional to 163,734.08, 224,973.84 and 130,141.76 is: 178,817.33
Step by Step Solution
- Step 1: Write the proportion equation
163,734.08 : 224,973.84 = 130,141.76 : x - Step 2: Convert to fraction form
163,734.08/224,973.84 = 130,141.76/x - Step 3: Cross multiply
163,734.08x = 224,973.84 × 130,141.76 - Step 4: Simplify right side
163,734.08x = 29,278,491,491.56 - Step 5: Solve for x
x = 29,278,491,491.56/163,734.08 - Step 6: Final answer
x = 178,817.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.