Finding the Fourth Proportional to 239,744.61, 330,660.63 and 153,711.81
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Solution
The fourth proportional to 239,744.61, 330,660.63 and 153,711.81 is: 212,002.45
Step by Step Solution
- Step 1: Write the proportion equation
239,744.61 : 330,660.63 = 153,711.81 : x - Step 2: Convert to fraction form
239,744.61/330,660.63 = 153,711.81/x - Step 3: Cross multiply
239,744.61x = 330,660.63 × 153,711.81 - Step 4: Simplify right side
239,744.61x = 50,826,443,933.04 - Step 5: Solve for x
x = 50,826,443,933.04/239,744.61 - Step 6: Final answer
x = 212,002.45
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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.