Finding the Fourth Proportional to 483,415.44, 725,368.86 and 217,121.64
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Solution
The fourth proportional to 483,415.44, 725,368.86 and 217,121.64 is: 325,792.81
Step by Step Solution
- Step 1: Write the proportion equation
483,415.44 : 725,368.86 = 217,121.64 : x - Step 2: Convert to fraction form
483,415.44/725,368.86 = 217,121.64/x - Step 3: Cross multiply
483,415.44x = 725,368.86 × 217,121.64 - Step 4: Simplify right side
483,415.44x = 157,493,276,488.13 - Step 5: Solve for x
x = 157,493,276,488.13/483,415.44 - Step 6: Final answer
x = 325,792.81
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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.