Finding the Fourth Proportional to 430,306.36, 593,814.34 and 239,315.65
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Solution
The fourth proportional to 430,306.36, 593,814.34 and 239,315.65 is: 330,250.90
Step by Step Solution
- Step 1: Write the proportion equation
430,306.36 : 593,814.34 = 239,315.65 : x - Step 2: Convert to fraction form
430,306.36/593,814.34 = 239,315.65/x - Step 3: Cross multiply
430,306.36x = 593,814.34 × 239,315.65 - Step 4: Simplify right side
430,306.36x = 142,109,063,571.03 - Step 5: Solve for x
x = 142,109,063,571.03/430,306.36 - Step 6: Final answer
x = 330,250.90
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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.