Finding the Fourth Proportional to 459,240.09, 688,873.09 and 126,816.09
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Solution
The fourth proportional to 459,240.09, 688,873.09 and 126,816.09 is: 190,227.71
Step by Step Solution
- Step 1: Write the proportion equation
459,240.09 : 688,873.09 = 126,816.09 : x - Step 2: Convert to fraction form
459,240.09/688,873.09 = 126,816.09/x - Step 3: Cross multiply
459,240.09x = 688,873.09 × 126,816.09 - Step 4: Simplify right side
459,240.09x = 87,360,191,780.02 - Step 5: Solve for x
x = 87,360,191,780.02/459,240.09 - Step 6: Final answer
x = 190,227.71
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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.