Finding the Fourth Proportional to 359,374.22, 538,903.45 and 134,576.99
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Solution
The fourth proportional to 359,374.22, 538,903.45 and 134,576.99 is: 201,806.36
Step by Step Solution
- Step 1: Write the proportion equation
359,374.22 : 538,903.45 = 134,576.99 : x - Step 2: Convert to fraction form
359,374.22/538,903.45 = 134,576.99/x - Step 3: Cross multiply
359,374.22x = 538,903.45 × 134,576.99 - Step 4: Simplify right side
359,374.22x = 72,524,003,695.79 - Step 5: Solve for x
x = 72,524,003,695.79/359,374.22 - Step 6: Final answer
x = 201,806.36
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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.