Finding the Fourth Proportional to 239,739.30, 330,964.58 and 175,135.98
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Solution
The fourth proportional to 239,739.30, 330,964.58 and 175,135.98 is: 241,778.49
Step by Step Solution
- Step 1: Write the proportion equation
239,739.30 : 330,964.58 = 175,135.98 : x - Step 2: Convert to fraction form
239,739.30/330,964.58 = 175,135.98/x - Step 3: Cross multiply
239,739.30x = 330,964.58 × 175,135.98 - Step 4: Simplify right side
239,739.30x = 57,963,806,063.59 - Step 5: Solve for x
x = 57,963,806,063.59/239,739.30 - Step 6: Final answer
x = 241,778.49
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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.