Finding the Fourth Proportional to 397,257.80, 595,886.70 and 226,015.70
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Solution
The fourth proportional to 397,257.80, 595,886.70 and 226,015.70 is: 339,023.55
Step by Step Solution
- Step 1: Write the proportion equation
397,257.80 : 595,886.70 = 226,015.70 : x - Step 2: Convert to fraction form
397,257.80/595,886.70 = 226,015.70/x - Step 3: Cross multiply
397,257.80x = 595,886.70 × 226,015.70 - Step 4: Simplify right side
397,257.80x = 134,679,749,621.19 - Step 5: Solve for x
x = 134,679,749,621.19/397,257.80 - Step 6: Final answer
x = 339,023.55
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1.5x scale
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.