Finding the Fourth Proportional to 239,456.05, 330,451.93 and 130,559.49
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Solution
The fourth proportional to 239,456.05, 330,451.93 and 130,559.49 is: 180,173.50
Step by Step Solution
- Step 1: Write the proportion equation
239,456.05 : 330,451.93 = 130,559.49 : x - Step 2: Convert to fraction form
239,456.05/330,451.93 = 130,559.49/x - Step 3: Cross multiply
239,456.05x = 330,451.93 × 130,559.49 - Step 4: Simplify right side
239,456.05x = 43,143,635,613.52 - Step 5: Solve for x
x = 43,143,635,613.52/239,456.05 - Step 6: Final answer
x = 180,173.50
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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.