Finding the Fourth Proportional to 221,047.74, 305,023.59 and 125,535.78
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Solution
The fourth proportional to 221,047.74, 305,023.59 and 125,535.78 is: 173,226.72
Step by Step Solution
- Step 1: Write the proportion equation
221,047.74 : 305,023.59 = 125,535.78 : x - Step 2: Convert to fraction form
221,047.74/305,023.59 = 125,535.78/x - Step 3: Cross multiply
221,047.74x = 305,023.59 × 125,535.78 - Step 4: Simplify right side
221,047.74x = 38,291,374,289.05 - Step 5: Solve for x
x = 38,291,374,289.05/221,047.74 - Step 6: Final answer
x = 173,226.72
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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.