Finding the Fourth Proportional to 397,012.24, 595,605.84 and 219,777.76
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Solution
The fourth proportional to 397,012.24, 595,605.84 and 219,777.76 is: 329,715.07
Step by Step Solution
- Step 1: Write the proportion equation
397,012.24 : 595,605.84 = 219,777.76 : x - Step 2: Convert to fraction form
397,012.24/595,605.84 = 219,777.76/x - Step 3: Cross multiply
397,012.24x = 595,605.84 × 219,777.76 - Step 4: Simplify right side
397,012.24x = 130,900,917,358.12 - Step 5: Solve for x
x = 130,900,917,358.12/397,012.24 - Step 6: Final answer
x = 329,715.07
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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.