Finding the Fourth Proportional to 391,257.84, 586,122.70 and 269,656.62
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Solution
The fourth proportional to 391,257.84, 586,122.70 and 269,656.62 is: 403,958.34
Step by Step Solution
- Step 1: Write the proportion equation
391,257.84 : 586,122.70 = 269,656.62 : x - Step 2: Convert to fraction form
391,257.84/586,122.70 = 269,656.62/x - Step 3: Cross multiply
391,257.84x = 586,122.70 × 269,656.62 - Step 4: Simplify right side
391,257.84x = 158,051,866,187.27 - Step 5: Solve for x
x = 158,051,866,187.27/391,257.84 - Step 6: Final answer
x = 403,958.34
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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.