Finding the Fourth Proportional to 340,867.69, 470,399.75 and 189,974.41
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Solution
The fourth proportional to 340,867.69, 470,399.75 and 189,974.41 is: 262,165.99
Step by Step Solution
- Step 1: Write the proportion equation
340,867.69 : 470,399.75 = 189,974.41 : x - Step 2: Convert to fraction form
340,867.69/470,399.75 = 189,974.41/x - Step 3: Cross multiply
340,867.69x = 470,399.75 × 189,974.41 - Step 4: Simplify right side
340,867.69x = 89,363,914,020.53 - Step 5: Solve for x
x = 89,363,914,020.53/340,867.69 - Step 6: Final answer
x = 262,165.99
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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.