Finding the Fourth Proportional to 278,360.70, 417,541.05 and 120,896.70
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Solution
The fourth proportional to 278,360.70, 417,541.05 and 120,896.70 is: 181,345.05
Step by Step Solution
- Step 1: Write the proportion equation
278,360.70 : 417,541.05 = 120,896.70 : x - Step 2: Convert to fraction form
278,360.70/417,541.05 = 120,896.70/x - Step 3: Cross multiply
278,360.70x = 417,541.05 × 120,896.70 - Step 4: Simplify right side
278,360.70x = 50,479,335,059.54 - Step 5: Solve for x
x = 50,479,335,059.54/278,360.70 - Step 6: Final answer
x = 181,345.05
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.