Finding the Fourth Proportional to 275,602.60, 413,306.70 and 98,115.40
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Solution
The fourth proportional to 275,602.60, 413,306.70 and 98,115.40 is: 147,138.50
Step by Step Solution
- Step 1: Write the proportion equation
275,602.60 : 413,306.70 = 98,115.40 : x - Step 2: Convert to fraction form
275,602.60/413,306.70 = 98,115.40/x - Step 3: Cross multiply
275,602.60x = 413,306.70 × 98,115.40 - Step 4: Simplify right side
275,602.60x = 40,551,752,193.18 - Step 5: Solve for x
x = 40,551,752,193.18/275,602.60 - Step 6: Final answer
x = 147,138.50
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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.