Finding the Fourth Proportional to 430,236.44, 593,678.16 and 239,238.44
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Solution
The fourth proportional to 430,236.44, 593,678.16 and 239,238.44 is: 330,122.29
Step by Step Solution
- Step 1: Write the proportion equation
430,236.44 : 593,678.16 = 239,238.44 : x - Step 2: Convert to fraction form
430,236.44/593,678.16 = 239,238.44/x - Step 3: Cross multiply
430,236.44x = 593,678.16 × 239,238.44 - Step 4: Simplify right side
430,236.44x = 142,030,636,860.47 - Step 5: Solve for x
x = 142,030,636,860.47/430,236.44 - Step 6: Final answer
x = 330,122.29
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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.