Finding the Fourth Proportional to 278,197.69, 417,291.93 and 88,655.44
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Solution
The fourth proportional to 278,197.69, 417,291.93 and 88,655.44 is: 132,981.69
Step by Step Solution
- Step 1: Write the proportion equation
278,197.69 : 417,291.93 = 88,655.44 : x - Step 2: Convert to fraction form
278,197.69/417,291.93 = 88,655.44/x - Step 3: Cross multiply
278,197.69x = 417,291.93 × 88,655.44 - Step 4: Simplify right side
278,197.69x = 36,995,199,662.60 - Step 5: Solve for x
x = 36,995,199,662.60/278,197.69 - Step 6: Final answer
x = 132,981.69
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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.