Finding the Fourth Proportional to 221,420.96, 332,129.52 and 63,648.80
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Solution
The fourth proportional to 221,420.96, 332,129.52 and 63,648.80 is: 95,472.65
Step by Step Solution
- Step 1: Write the proportion equation
221,420.96 : 332,129.52 = 63,648.80 : x - Step 2: Convert to fraction form
221,420.96/332,129.52 = 63,648.80/x - Step 3: Cross multiply
221,420.96x = 332,129.52 × 63,648.80 - Step 4: Simplify right side
221,420.96x = 21,139,645,392.58 - Step 5: Solve for x
x = 21,139,645,392.58/221,420.96 - Step 6: Final answer
x = 95,472.65
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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.