Finding the Fourth Proportional to 432,890.81, 597,380.49 and 239,306.67
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Solution
The fourth proportional to 432,890.81, 597,380.49 and 239,306.67 is: 330,238.33
Step by Step Solution
- Step 1: Write the proportion equation
432,890.81 : 597,380.49 = 239,306.67 : x - Step 2: Convert to fraction form
432,890.81/597,380.49 = 239,306.67/x - Step 3: Cross multiply
432,890.81x = 597,380.49 × 239,306.67 - Step 4: Simplify right side
432,890.81x = 142,957,135,784.87 - Step 5: Solve for x
x = 142,957,135,784.87/432,890.81 - Step 6: Final answer
x = 330,238.33
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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.