Finding the Fourth Proportional to 278,163.55, 417,277.95 and 88,557.54
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Solution
The fourth proportional to 278,163.55, 417,277.95 and 88,557.54 is: 132,846.70
Step by Step Solution
- Step 1: Write the proportion equation
278,163.55 : 417,277.95 = 88,557.54 : x - Step 2: Convert to fraction form
278,163.55/417,277.95 = 88,557.54/x - Step 3: Cross multiply
278,163.55x = 417,277.95 × 88,557.54 - Step 4: Simplify right side
278,163.55x = 36,953,108,748.24 - Step 5: Solve for x
x = 36,953,108,748.24/278,163.55 - Step 6: Final answer
x = 132,846.70
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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.