Finding the Fourth Proportional to 480,627.74, 720,982.62 and 125,641.19
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Solution
The fourth proportional to 480,627.74, 720,982.62 and 125,641.19 is: 188,472.50
Step by Step Solution
- Step 1: Write the proportion equation
480,627.74 : 720,982.62 = 125,641.19 : x - Step 2: Convert to fraction form
480,627.74/720,982.62 = 125,641.19/x - Step 3: Cross multiply
480,627.74x = 720,982.62 × 125,641.19 - Step 4: Simplify right side
480,627.74x = 90,585,113,717.91 - Step 5: Solve for x
x = 90,585,113,717.91/480,627.74 - Step 6: Final answer
x = 188,472.50
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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.