Finding the Fourth Proportional to 221,134.98, 305,166.36 and 125,641.80
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Solution
The fourth proportional to 221,134.98, 305,166.36 and 125,641.80 is: 173,385.73
Step by Step Solution
- Step 1: Write the proportion equation
221,134.98 : 305,166.36 = 125,641.80 : x - Step 2: Convert to fraction form
221,134.98/305,166.36 = 125,641.80/x - Step 3: Cross multiply
221,134.98x = 305,166.36 × 125,641.80 - Step 4: Simplify right side
221,134.98x = 38,341,650,769.85 - Step 5: Solve for x
x = 38,341,650,769.85/221,134.98 - Step 6: Final answer
x = 173,385.73
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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.