Finding the Fourth Proportional to 221,110.10, 305,132.94 and 125,622.02
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Solution
The fourth proportional to 221,110.10, 305,132.94 and 125,622.02 is: 173,358.96
Step by Step Solution
- Step 1: Write the proportion equation
221,110.10 : 305,132.94 = 125,622.02 : x - Step 2: Convert to fraction form
221,110.10/305,132.94 = 125,622.02/x - Step 3: Cross multiply
221,110.10x = 305,132.94 × 125,622.02 - Step 4: Simplify right side
221,110.10x = 38,331,416,291.34 - Step 5: Solve for x
x = 38,331,416,291.34/221,110.10 - Step 6: Final answer
x = 173,358.96
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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.