Finding the Fourth Proportional to 412,865.42, 569,799.79 and 231,595.02
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Solution
The fourth proportional to 412,865.42, 569,799.79 and 231,595.02 is: 319,626.66
Step by Step Solution
- Step 1: Write the proportion equation
412,865.42 : 569,799.79 = 231,595.02 : x - Step 2: Convert to fraction form
412,865.42/569,799.79 = 231,595.02/x - Step 3: Cross multiply
412,865.42x = 569,799.79 × 231,595.02 - Step 4: Simplify right side
412,865.42x = 131,962,793,761.05 - Step 5: Solve for x
x = 131,962,793,761.05/412,865.42 - Step 6: Final answer
x = 319,626.66
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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.