Finding the Fourth Proportional to 230,408.12, 317,814.84 and 152,882.08
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Solution
The fourth proportional to 230,408.12, 317,814.84 and 152,882.08 is: 210,878.83
Step by Step Solution
- Step 1: Write the proportion equation
230,408.12 : 317,814.84 = 152,882.08 : x - Step 2: Convert to fraction form
230,408.12/317,814.84 = 152,882.08/x - Step 3: Cross multiply
230,408.12x = 317,814.84 × 152,882.08 - Step 4: Simplify right side
230,408.12x = 48,588,193,794.07 - Step 5: Solve for x
x = 48,588,193,794.07/230,408.12 - Step 6: Final answer
x = 210,878.83
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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.