Finding the Fourth Proportional to 278,145.34, 417,079.94 and 88,580.99
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Solution
The fourth proportional to 278,145.34, 417,079.94 and 88,580.99 is: 132,827.51
Step by Step Solution
- Step 1: Write the proportion equation
278,145.34 : 417,079.94 = 88,580.99 : x - Step 2: Convert to fraction form
278,145.34/417,079.94 = 88,580.99/x - Step 3: Cross multiply
278,145.34x = 417,079.94 × 88,580.99 - Step 4: Simplify right side
278,145.34x = 36,945,354,594.14 - Step 5: Solve for x
x = 36,945,354,594.14/278,145.34 - Step 6: Final answer
x = 132,827.51
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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.