Finding the Fourth Proportional to 278,424.88, 417,099.68 and 166,194.52
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Solution
The fourth proportional to 278,424.88, 417,099.68 and 166,194.52 is: 248,970.86
Step by Step Solution
- Step 1: Write the proportion equation
278,424.88 : 417,099.68 = 166,194.52 : x - Step 2: Convert to fraction form
278,424.88/417,099.68 = 166,194.52/x - Step 3: Cross multiply
278,424.88x = 417,099.68 × 166,194.52 - Step 4: Simplify right side
278,424.88x = 69,319,681,109.75 - Step 5: Solve for x
x = 69,319,681,109.75/278,424.88 - Step 6: Final answer
x = 248,970.86
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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.