Finding the Fourth Proportional to 430,161.99, 593,611.34 and 239,171.91
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Solution
The fourth proportional to 430,161.99, 593,611.34 and 239,171.91 is: 330,050.45
Step by Step Solution
- Step 1: Write the proportion equation
430,161.99 : 593,611.34 = 239,171.91 : x - Step 2: Convert to fraction form
430,161.99/593,611.34 = 239,171.91/x - Step 3: Cross multiply
430,161.99x = 593,611.34 × 239,171.91 - Step 4: Simplify right side
430,161.99x = 141,975,156,789.60 - Step 5: Solve for x
x = 141,975,156,789.60/430,161.99 - Step 6: Final answer
x = 330,050.45
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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.