Finding the Fourth Proportional to 162,340.63, 224,029.42 and 90,720.63
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Solution
The fourth proportional to 162,340.63, 224,029.42 and 90,720.63 is: 125,194.11
Step by Step Solution
- Step 1: Write the proportion equation
162,340.63 : 224,029.42 = 90,720.63 : x - Step 2: Convert to fraction form
162,340.63/224,029.42 = 90,720.63/x - Step 3: Cross multiply
162,340.63x = 224,029.42 × 90,720.63 - Step 4: Simplify right side
162,340.63x = 20,324,090,734.24 - Step 5: Solve for x
x = 20,324,090,734.24/162,340.63 - Step 6: Final answer
x = 125,194.11
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1.5x scale
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.