Finding the Fourth Proportional to 193,207.60, 289,465.80 and 119,249.20
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Solution
The fourth proportional to 193,207.60, 289,465.80 and 119,249.20 is: 178,660.49
Step by Step Solution
- Step 1: Write the proportion equation
193,207.60 : 289,465.80 = 119,249.20 : x - Step 2: Convert to fraction form
193,207.60/289,465.80 = 119,249.20/x - Step 3: Cross multiply
193,207.60x = 289,465.80 × 119,249.20 - Step 4: Simplify right side
193,207.60x = 34,518,565,077.36 - Step 5: Solve for x
x = 34,518,565,077.36/193,207.60 - Step 6: Final answer
x = 178,660.49
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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.