Finding the Fourth Proportional to 480,628.74, 720,984.12 and 125,642.19
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Solution
The fourth proportional to 480,628.74, 720,984.12 and 125,642.19 is: 188,474.01
Step by Step Solution
- Step 1: Write the proportion equation
480,628.74 : 720,984.12 = 125,642.19 : x - Step 2: Convert to fraction form
480,628.74/720,984.12 = 125,642.19/x - Step 3: Cross multiply
480,628.74x = 720,984.12 × 125,642.19 - Step 4: Simplify right side
480,628.74x = 90,586,023,792.02 - Step 5: Solve for x
x = 90,586,023,792.02/480,628.74 - Step 6: Final answer
x = 188,474.01
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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.