Finding the Fourth Proportional to 519,182.14, 778,769.70 and 279,408.88
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Solution
The fourth proportional to 519,182.14, 778,769.70 and 279,408.88 is: 419,111.43
Step by Step Solution
- Step 1: Write the proportion equation
519,182.14 : 778,769.70 = 279,408.88 : x - Step 2: Convert to fraction form
519,182.14/778,769.70 = 279,408.88/x - Step 3: Cross multiply
519,182.14x = 778,769.70 × 279,408.88 - Step 4: Simplify right side
519,182.14x = 217,595,169,654.94 - Step 5: Solve for x
x = 217,595,169,654.94/519,182.14 - Step 6: Final answer
x = 419,111.43
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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.