Finding the Fourth Proportional to 209,671.11, 289,349.58 and 119,029.75
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Solution
The fourth proportional to 209,671.11, 289,349.58 and 119,029.75 is: 164,263.01
Step by Step Solution
- Step 1: Write the proportion equation
209,671.11 : 289,349.58 = 119,029.75 : x - Step 2: Convert to fraction form
209,671.11/289,349.58 = 119,029.75/x - Step 3: Cross multiply
209,671.11x = 289,349.58 × 119,029.75 - Step 4: Simplify right side
209,671.11x = 34,441,208,170.01 - Step 5: Solve for x
x = 34,441,208,170.01/209,671.11 - Step 6: Final answer
x = 164,263.01
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1.5x scale
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.