Finding the Fourth Proportional to 305,235.33, 420,739.27 and 240,599.76
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Solution
The fourth proportional to 305,235.33, 420,739.27 and 240,599.76 is: 331,644.99
Step by Step Solution
- Step 1: Write the proportion equation
305,235.33 : 420,739.27 = 240,599.76 : x - Step 2: Convert to fraction form
305,235.33/420,739.27 = 240,599.76/x - Step 3: Cross multiply
305,235.33x = 420,739.27 × 240,599.76 - Step 4: Simplify right side
305,235.33x = 101,229,767,384.58 - Step 5: Solve for x
x = 101,229,767,384.58/305,235.33 - Step 6: Final answer
x = 331,644.99
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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.