Finding the Fourth Proportional to 391,457.84, 587,186.76 and 95,969.84
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Solution
The fourth proportional to 391,457.84, 587,186.76 and 95,969.84 is: 143,954.75
Step by Step Solution
- Step 1: Write the proportion equation
391,457.84 : 587,186.76 = 95,969.84 : x - Step 2: Convert to fraction form
391,457.84/587,186.76 = 95,969.84/x - Step 3: Cross multiply
391,457.84x = 587,186.76 × 95,969.84 - Step 4: Simplify right side
391,457.84x = 56,352,216,471.38 - Step 5: Solve for x
x = 56,352,216,471.38/391,457.84 - Step 6: Final answer
x = 143,954.75
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1.5x scale
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.