Finding the Fourth Proportional to 387,297.84, 580,698.12 and 150,388.08
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Solution
The fourth proportional to 387,297.84, 580,698.12 and 150,388.08 is: 225,485.57
Step by Step Solution
- Step 1: Write the proportion equation
387,297.84 : 580,698.12 = 150,388.08 : x - Step 2: Convert to fraction form
387,297.84/580,698.12 = 150,388.08/x - Step 3: Cross multiply
387,297.84x = 580,698.12 × 150,388.08 - Step 4: Simplify right side
387,297.84x = 87,330,075,326.41 - Step 5: Solve for x
x = 87,330,075,326.41/387,297.84 - Step 6: Final answer
x = 225,485.57
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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.