Finding the Fourth Proportional to 354,563.84, 489,382.08 and 203,748.32
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Solution
The fourth proportional to 354,563.84, 489,382.08 and 203,748.32 is: 281,220.94
Step by Step Solution
- Step 1: Write the proportion equation
354,563.84 : 489,382.08 = 203,748.32 : x - Step 2: Convert to fraction form
354,563.84/489,382.08 = 203,748.32/x - Step 3: Cross multiply
354,563.84x = 489,382.08 × 203,748.32 - Step 4: Simplify right side
354,563.84x = 99,710,776,638.11 - Step 5: Solve for x
x = 99,710,776,638.11/354,563.84 - Step 6: Final answer
x = 281,220.94
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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.