Finding the Fourth Proportional to 210,846.23, 290,974.70 and 115,350.71
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Solution
The fourth proportional to 210,846.23, 290,974.70 and 115,350.71 is: 159,187.76
Step by Step Solution
- Step 1: Write the proportion equation
210,846.23 : 290,974.70 = 115,350.71 : x - Step 2: Convert to fraction form
210,846.23/290,974.70 = 115,350.71/x - Step 3: Cross multiply
210,846.23x = 290,974.70 × 115,350.71 - Step 4: Simplify right side
210,846.23x = 33,564,138,237.04 - Step 5: Solve for x
x = 33,564,138,237.04/210,846.23 - Step 6: Final answer
x = 159,187.76
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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.