Finding the Fourth Proportional to 239,816.57, 330,946.97 and 132,386.81
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Solution
The fourth proportional to 239,816.57, 330,946.97 and 132,386.81 is: 182,693.85
Step by Step Solution
- Step 1: Write the proportion equation
239,816.57 : 330,946.97 = 132,386.81 : x - Step 2: Convert to fraction form
239,816.57/330,946.97 = 132,386.81/x - Step 3: Cross multiply
239,816.57x = 330,946.97 × 132,386.81 - Step 4: Simplify right side
239,816.57x = 43,813,011,320.80 - Step 5: Solve for x
x = 43,813,011,320.80/239,816.57 - Step 6: Final answer
x = 182,693.85
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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.