Finding the Fourth Proportional to 313,260.21, 432,299.49 and 170,020.26
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Solution
The fourth proportional to 313,260.21, 432,299.49 and 170,020.26 is: 234,628.18
Step by Step Solution
- Step 1: Write the proportion equation
313,260.21 : 432,299.49 = 170,020.26 : x - Step 2: Convert to fraction form
313,260.21/432,299.49 = 170,020.26/x - Step 3: Cross multiply
313,260.21x = 432,299.49 × 170,020.26 - Step 4: Simplify right side
313,260.21x = 73,499,671,687.67 - Step 5: Solve for x
x = 73,499,671,687.67/313,260.21 - Step 6: Final answer
x = 234,628.18
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.