Finding the Fourth Proportional to 413,953.44, 621,009.36 and 133,395.36
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Solution
The fourth proportional to 413,953.44, 621,009.36 and 133,395.36 is: 200,118.56
Step by Step Solution
- Step 1: Write the proportion equation
413,953.44 : 621,009.36 = 133,395.36 : x - Step 2: Convert to fraction form
413,953.44/621,009.36 = 133,395.36/x - Step 3: Cross multiply
413,953.44x = 621,009.36 × 133,395.36 - Step 4: Simplify right side
413,953.44x = 82,839,767,140.57 - Step 5: Solve for x
x = 82,839,767,140.57/413,953.44 - Step 6: Final answer
x = 200,118.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.