Finding the Fourth Proportional to 239,213.96, 358,482.64 and 132,644.86
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Solution
The fourth proportional to 239,213.96, 358,482.64 and 132,644.86 is: 198,779.70
Step by Step Solution
- Step 1: Write the proportion equation
239,213.96 : 358,482.64 = 132,644.86 : x - Step 2: Convert to fraction form
239,213.96/358,482.64 = 132,644.86/x - Step 3: Cross multiply
239,213.96x = 358,482.64 × 132,644.86 - Step 4: Simplify right side
239,213.96x = 47,550,879,595.23 - Step 5: Solve for x
x = 47,550,879,595.23/239,213.96 - Step 6: Final answer
x = 198,779.70
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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.