Finding the Fourth Proportional to 261,953.68, 361,466.94 and 147,205.84
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Solution
The fourth proportional to 261,953.68, 361,466.94 and 147,205.84 is: 203,127.68
Step by Step Solution
- Step 1: Write the proportion equation
261,953.68 : 361,466.94 = 147,205.84 : x - Step 2: Convert to fraction form
261,953.68/361,466.94 = 147,205.84/x - Step 3: Cross multiply
261,953.68x = 361,466.94 × 147,205.84 - Step 4: Simplify right side
261,953.68x = 53,210,044,534.93 - Step 5: Solve for x
x = 53,210,044,534.93/261,953.68 - Step 6: Final answer
x = 203,127.68
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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.