Finding the Fourth Proportional to 160,541.34, 221,544.60 and 87,943.68
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Solution
The fourth proportional to 160,541.34, 221,544.60 and 87,943.68 is: 121,360.94
Step by Step Solution
- Step 1: Write the proportion equation
160,541.34 : 221,544.60 = 87,943.68 : x - Step 2: Convert to fraction form
160,541.34/221,544.60 = 87,943.68/x - Step 3: Cross multiply
160,541.34x = 221,544.60 × 87,943.68 - Step 4: Simplify right side
160,541.34x = 19,483,447,408.13 - Step 5: Solve for x
x = 19,483,447,408.13/160,541.34 - Step 6: Final answer
x = 121,360.94
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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.