Finding the Fourth Proportional to 207,237.49, 310,856.23 and 74,109.67
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Solution
The fourth proportional to 207,237.49, 310,856.23 and 74,109.67 is: 111,164.50
Step by Step Solution
- Step 1: Write the proportion equation
207,237.49 : 310,856.23 = 74,109.67 : x - Step 2: Convert to fraction form
207,237.49/310,856.23 = 74,109.67/x - Step 3: Cross multiply
207,237.49x = 310,856.23 × 74,109.67 - Step 4: Simplify right side
207,237.49x = 23,037,451,938.24 - Step 5: Solve for x
x = 23,037,451,938.24/207,237.49 - Step 6: Final answer
x = 111,164.50
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1.5x scale
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.