Finding the Fourth Proportional to 313,972.24, 470,974.66 and 103,626.60
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Solution
The fourth proportional to 313,972.24, 470,974.66 and 103,626.60 is: 155,445.28
Step by Step Solution
- Step 1: Write the proportion equation
313,972.24 : 470,974.66 = 103,626.60 : x - Step 2: Convert to fraction form
313,972.24/470,974.66 = 103,626.60/x - Step 3: Cross multiply
313,972.24x = 470,974.66 × 103,626.60 - Step 4: Simplify right side
313,972.24x = 48,805,502,701.96 - Step 5: Solve for x
x = 48,805,502,701.96/313,972.24 - Step 6: Final answer
x = 155,445.28
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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.