Finding the Fourth Proportional to 176,155.74, 243,078.87 and 104,523.42
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Solution
The fourth proportional to 176,155.74, 243,078.87 and 104,523.42 is: 144,232.80
Step by Step Solution
- Step 1: Write the proportion equation
176,155.74 : 243,078.87 = 104,523.42 : x - Step 2: Convert to fraction form
176,155.74/243,078.87 = 104,523.42/x - Step 3: Cross multiply
176,155.74x = 243,078.87 × 104,523.42 - Step 4: Simplify right side
176,155.74x = 25,407,434,822.14 - Step 5: Solve for x
x = 25,407,434,822.14/176,155.74 - Step 6: Final answer
x = 144,232.80
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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.