Finding the Fourth Proportional to 307,352.91, 460,918.53 and 129,873.68
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Solution
The fourth proportional to 307,352.91, 460,918.53 and 129,873.68 is: 194,763.68
Step by Step Solution
- Step 1: Write the proportion equation
307,352.91 : 460,918.53 = 129,873.68 : x - Step 2: Convert to fraction form
307,352.91/460,918.53 = 129,873.68/x - Step 3: Cross multiply
307,352.91x = 460,918.53 × 129,873.68 - Step 4: Simplify right side
307,352.91x = 59,861,183,366.70 - Step 5: Solve for x
x = 59,861,183,366.70/307,352.91 - Step 6: Final answer
x = 194,763.68
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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.