Finding the Fourth Proportional to 278,151.09, 383,848.73 and 150,826.68
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Solution
The fourth proportional to 278,151.09, 383,848.73 and 150,826.68 is: 208,140.94
Step by Step Solution
- Step 1: Write the proportion equation
278,151.09 : 383,848.73 = 150,826.68 : x - Step 2: Convert to fraction form
278,151.09/383,848.73 = 150,826.68/x - Step 3: Cross multiply
278,151.09x = 383,848.73 × 150,826.68 - Step 4: Simplify right side
278,151.09x = 57,894,628,813.98 - Step 5: Solve for x
x = 57,894,628,813.98/278,151.09 - Step 6: Final answer
x = 208,140.94
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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.