Finding the Fourth Proportional to 430,297.30, 593,801.84 and 239,306.58
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Solution
The fourth proportional to 430,297.30, 593,801.84 and 239,306.58 is: 330,238.39
Step by Step Solution
- Step 1: Write the proportion equation
430,297.30 : 593,801.84 = 239,306.58 : x - Step 2: Convert to fraction form
430,297.30/593,801.84 = 239,306.58/x - Step 3: Cross multiply
430,297.30x = 593,801.84 × 239,306.58 - Step 4: Simplify right side
430,297.30x = 142,100,687,528.11 - Step 5: Solve for x
x = 142,100,687,528.11/430,297.30 - Step 6: Final answer
x = 330,238.39
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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.