Finding the Fourth Proportional to 275,780.03, 380,620.73 and 257,770.08
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Solution
The fourth proportional to 275,780.03, 380,620.73 and 257,770.08 is: 355,764.12
Step by Step Solution
- Step 1: Write the proportion equation
275,780.03 : 380,620.73 = 257,770.08 : x - Step 2: Convert to fraction form
275,780.03/380,620.73 = 257,770.08/x - Step 3: Cross multiply
275,780.03x = 380,620.73 × 257,770.08 - Step 4: Simplify right side
275,780.03x = 98,112,636,666.18 - Step 5: Solve for x
x = 98,112,636,666.18/275,780.03 - Step 6: Final answer
x = 355,764.12
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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.