Finding the Fourth Proportional to 289,389.06, 434,079.54 and 175,563.99
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Solution
The fourth proportional to 289,389.06, 434,079.54 and 175,563.99 is: 263,343.53
Step by Step Solution
- Step 1: Write the proportion equation
289,389.06 : 434,079.54 = 175,563.99 : x - Step 2: Convert to fraction form
289,389.06/434,079.54 = 175,563.99/x - Step 3: Cross multiply
289,389.06x = 434,079.54 × 175,563.99 - Step 4: Simplify right side
289,389.06x = 76,208,736,019.76 - Step 5: Solve for x
x = 76,208,736,019.76/289,389.06 - Step 6: Final answer
x = 263,343.53
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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.