Finding the Fourth Proportional to 275,636.80, 413,503.80 and 98,246.80
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Solution
The fourth proportional to 275,636.80, 413,503.80 and 98,246.80 is: 147,387.52
Step by Step Solution
- Step 1: Write the proportion equation
275,636.80 : 413,503.80 = 98,246.80 : x - Step 2: Convert to fraction form
275,636.80/413,503.80 = 98,246.80/x - Step 3: Cross multiply
275,636.80x = 413,503.80 × 98,246.80 - Step 4: Simplify right side
275,636.80x = 40,625,425,137.84 - Step 5: Solve for x
x = 40,625,425,137.84/275,636.80 - Step 6: Final answer
x = 147,387.52
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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.