Finding the Fourth Proportional to 313,972.74, 470,975.40 and 103,627.08
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Solution
The fourth proportional to 313,972.74, 470,975.40 and 103,627.08 is: 155,446.00
Step by Step Solution
- Step 1: Write the proportion equation
313,972.74 : 470,975.40 = 103,627.08 : x - Step 2: Convert to fraction form
313,972.74/470,975.40 = 103,627.08/x - Step 3: Cross multiply
313,972.74x = 470,975.40 × 103,627.08 - Step 4: Simplify right side
313,972.74x = 48,805,805,453.83 - Step 5: Solve for x
x = 48,805,805,453.83/313,972.74 - Step 6: Final answer
x = 155,446.00
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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.