Finding the Fourth Proportional to 209,585.68, 289,217.99 and 118,950.02
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Solution
The fourth proportional to 209,585.68, 289,217.99 and 118,950.02 is: 164,145.21
Step by Step Solution
- Step 1: Write the proportion equation
209,585.68 : 289,217.99 = 118,950.02 : x - Step 2: Convert to fraction form
209,585.68/289,217.99 = 118,950.02/x - Step 3: Cross multiply
209,585.68x = 289,217.99 × 118,950.02 - Step 4: Simplify right side
209,585.68x = 34,402,485,630.71 - Step 5: Solve for x
x = 34,402,485,630.71/209,585.68 - Step 6: Final answer
x = 164,145.21
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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.