Finding the Fourth Proportional to 480,102.19, 720,153.53 and 125,115.31
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Solution
The fourth proportional to 480,102.19, 720,153.53 and 125,115.31 is: 187,673.03
Step by Step Solution
- Step 1: Write the proportion equation
480,102.19 : 720,153.53 = 125,115.31 : x - Step 2: Convert to fraction form
480,102.19/720,153.53 = 125,115.31/x - Step 3: Cross multiply
480,102.19x = 720,153.53 × 125,115.31 - Step 4: Simplify right side
480,102.19x = 90,102,232,153.54 - Step 5: Solve for x
x = 90,102,232,153.54/480,102.19 - Step 6: Final answer
x = 187,673.03
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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.