Finding the Fourth Proportional to 239,709.94, 330,660.04 and 153,638.26
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Solution
The fourth proportional to 239,709.94, 330,660.04 and 153,638.26 is: 211,931.27
Step by Step Solution
- Step 1: Write the proportion equation
239,709.94 : 330,660.04 = 153,638.26 : x - Step 2: Convert to fraction form
239,709.94/330,660.04 = 153,638.26/x - Step 3: Cross multiply
239,709.94x = 330,660.04 × 153,638.26 - Step 4: Simplify right side
239,709.94x = 50,802,033,197.13 - Step 5: Solve for x
x = 50,802,033,197.13/239,709.94 - Step 6: Final answer
x = 211,931.27
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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.