Finding the Fourth Proportional to 221,135.30, 331,702.95 and 63,363.75
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Solution
The fourth proportional to 221,135.30, 331,702.95 and 63,363.75 is: 95,045.63
Step by Step Solution
- Step 1: Write the proportion equation
221,135.30 : 331,702.95 = 63,363.75 : x - Step 2: Convert to fraction form
221,135.30/331,702.95 = 63,363.75/x - Step 3: Cross multiply
221,135.30x = 331,702.95 × 63,363.75 - Step 4: Simplify right side
221,135.30x = 21,017,942,798.06 - Step 5: Solve for x
x = 21,017,942,798.06/221,135.30 - Step 6: Final answer
x = 95,045.63
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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.