Finding the Fourth Proportional to 221,363.94, 305,480.79 and 125,870.63
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Solution
The fourth proportional to 221,363.94, 305,480.79 and 125,870.63 is: 173,700.65
Step by Step Solution
- Step 1: Write the proportion equation
221,363.94 : 305,480.79 = 125,870.63 : x - Step 2: Convert to fraction form
221,363.94/305,480.79 = 125,870.63/x - Step 3: Cross multiply
221,363.94x = 305,480.79 × 125,870.63 - Step 4: Simplify right side
221,363.94x = 38,451,059,490.20 - Step 5: Solve for x
x = 38,451,059,490.20/221,363.94 - Step 6: Final answer
x = 173,700.65
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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.