Finding the Fourth Proportional to 461,961.90, 693,316.01 and 195,909.09
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Solution
The fourth proportional to 461,961.90, 693,316.01 and 195,909.09 is: 294,021.88
Step by Step Solution
- Step 1: Write the proportion equation
461,961.90 : 693,316.01 = 195,909.09 : x - Step 2: Convert to fraction form
461,961.90/693,316.01 = 195,909.09/x - Step 3: Cross multiply
461,961.90x = 693,316.01 × 195,909.09 - Step 4: Simplify right side
461,961.90x = 135,826,908,601.53 - Step 5: Solve for x
x = 135,826,908,601.53/461,961.90 - Step 6: Final answer
x = 294,021.88
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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.