Finding the Fourth Proportional to 245,874.20, 368,897.70 and 88,107.80
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Solution
The fourth proportional to 245,874.20, 368,897.70 and 88,107.80 is: 132,192.66
Step by Step Solution
- Step 1: Write the proportion equation
245,874.20 : 368,897.70 = 88,107.80 : x - Step 2: Convert to fraction form
245,874.20/368,897.70 = 88,107.80/x - Step 3: Cross multiply
245,874.20x = 368,897.70 × 88,107.80 - Step 4: Simplify right side
245,874.20x = 32,502,764,772.06 - Step 5: Solve for x
x = 32,502,764,772.06/245,874.20 - Step 6: Final answer
x = 132,192.66
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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.